Questions tagged [standards]

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0 answers
19 views

Is it possible to write the Lovecraftian Sigil of the Gateway in unicode?

It isn't technically copyrighted and doesn't seem to be subject to trademark, and is kind of a cultural symbol, so for all I know there's a hidden symbol assignment for it somewhere... but the Sigil ...
0 votes
0 answers
32 views

Disabling subtitles within M3U playlists

I have hundreds of playlists, some days-long, that run on my media machine. But if there are MKV files with subtitles VLC is displaying the subtitles all the time. It is distracting and I have to ...
1 vote
1 answer
17 views

Difference between Openrack vs Openrack v2

The Open compute project has different types of projects for open rack. The following is the types (family) of OpenRack mentioned in open compute contributions. OpenRack v2 OpenRack OpenRack v1 ...
0 votes
2 answers
350 views

Do web browsers have Unicode character files in them or they inherit these from the operating system?

If we create at least one new character with at least one typography set we would have to include any character file and any font file, in the browser file tree and also declare these files in the ...
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1 vote
1 answer
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Are DVI cables considered D-Sub?

So DVI cables have the same D shell and mounting points as D-Sub cables, but have a very unique pinout that doesn't seem compliant with the D-Sub design. Does this still count as a D-Sub cable? And if ...
16 votes
1 answer
2k views

Why are there ping replies from within 172.31.0.0/16?

Today I accidentally discovered, that I can ping addresses in the 172.31.0.0/16 subnet and get an ICMP reply. I tried a few random ones, it always got replies. After checking the routing table and a ...
0 votes
1 answer
111 views

Storing a program config file at /etc vs at the program directory?

On Linux: What would be a better standard if I have a project (i.e. a webserver) at /go/src/webserver - to store the config file at the same directory, or at the /etc directory (/etc/webserver/config)?...
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29 votes
2 answers
5k views

What is the email address format "Name <email>" called?

Given an email address in the format John Doe <john@example.com> I wonder where this format is explicitly defined and what the whole thing is called. It doesn't seem to be specified in rfc5322 (...
user avatar
1 vote
2 answers
1k views

How to make Google chrome the standard browser every time i boot my pc

I was wondering if anyone knows how to make google chrome the standard browser every time i boot. This is for a school pc bc the kids change the default browser a lot. Maybe someone knows how to make ...
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1 answer
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How far does the cursor move when you hit the arrow key?

How far does the cursor move when you hit the arrow key? I am assuming it is a standardized movement in millimetres. Obviously it is dependent on the font size when a larger size is used, but I work ...
0 votes
0 answers
28 views

What is the find and replace "s/{pattern}/{string}" format called?

s/{pattern}/{string} keeps coming up in find and replace contexts (vim, sed). Is this a standard way of presenting find and replace strings? Does it have a name? Is there a standard somewhere for this ...
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2 answers
461 views

privilege administrator for one app in windows 10

I have a user with standard access on the domain network This user is using software that requires admin privilege to the system What should I do if the user only runs this program with administrator ...
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1 answer
210 views

Keyboard Device manager hidden

when im fixing my keyboard (HID)in device manager. My keyboard category in device manager are go to hidden devices I saw it by clicking view and checking showhidden files , and it cant detect my ...
3 votes
1 answer
3k views

What's the maximum number of lanes possible to use in a single PCI Express link? 16 or 32?

I always thought that the maximum number of lanes for a PCI Express link was 16. The most powerful and expensive gaming GPUs never offer more lanes, and I have never seen a motherboard featuring a ...
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Opal 2.0 compliance in "a system"

I can read on this page : https://www.crucial.fr/fra/fr/setup-ssd-encryption-via-bitlocker "Opal 2.0 support: The system must support Opal 2.0 safety standards. The Opal 2.0 standard is not ...
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1 vote
4 answers
220 views

Which ANSI standard is Joel referring to?

I was rereading Joel Spolsky's classic blog post The Absolute Minimum Every Software Developer Absolutely, Positively Must Know About Unicode and Character Sets (No Excuses!) and noticed this passage: ...
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1 vote
1 answer
71 views

VIM Numbering Behavior Inconsistency

Commands in VIM can be prefixed with numbers, but the numbering scheme is not consistent for some operations. Prefixing the movement commands left, down, up, and right (H, J, K, L) with a number ...
2 votes
1 answer
57 views

When something is an “X.*” standard, what does that “X.*” stand for?

There are multiple standards which is known under X. identifier - X.509, X.208 (aka: ASN.1) for example. What does the X. stand for? I understand RFC and others, but X. is really weird. I cannot ...
0 votes
1 answer
12k views

What are the standard Microsoft Office margins for double-sided printing on A4?

I am asking because I am supposed to use standard Microsoft Word margins and the document is going to be printed double-sided. I want to figure out what those margins would be in Microsoft Word and ...
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SD Card Reader Standards [closed]

So I am confused about the SDXC read standards compatability. I understand that UHS-I/II/III/Express define bus interfaces and UHSII added a 2nd row of pins. UHSIII achieves higher speeds than that. ...
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1 answer
38 views

How to know/contact a community which hold an API (ODBC API)

I am currently working with the unix-odbc API to create my own ODBC driver. I found on wikipedia that ODBC is a standard and is implemented by communities. In computing, Open Database ...
11 votes
1 answer
2k views

Different Print Page Dimensions Under Same Standard (A4)?

2 different reputable sources list 2 different A4 page dimensions: 8.27 x 11.69 and 8.27 x 11.7. Furthermore, I have 2 different PDF resize programs. 1 outputs A4 files as 8.26 x 11.69, the other ...
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1 vote
1 answer
42 views

What is the standard for assigning rDNS to unused hosts?

In a range with unused hosts, is the standard to set the rDNS to a generic default one within the network (such as the IP address dot the company's domain name) or is rDNS not meant to be set for an ...
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0 votes
1 answer
250 views

ISO 24711: How to calculate page yield for a combination cartridge product?

Printer manufacturers list their cartridge page yields on their sites using the ISO 24711 standard. Now there are also products which are "bundles" of cartridges. For example, you could have a product ...
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0 answers
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Modifying a MP4's "standard" parameter (from NTSC to PAL) with ffmpeg

I have some MP4s encoded with the Mainconcept H264 encoder at resolution 1920x1080 with framerate 25fps interlaced top-field first. MediaInfo reports these files having a (video format) standard of "...
0 votes
1 answer
827 views

SVG linear gradient displayed differently by different software when x2 attribute is not present

I’ve recently imported and edited a file in Inkscape. I saved the image as “optimized SVG” in Inkscape, but when I opened the resulting file in different programs, some displayed it the same as ...
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4 votes
1 answer
4k views

Why is ~/.local/share a two-level directory?

I've never seen anything under ~/.local other than share, and the XDG Spec doesn't mention any other directories under .local. What is the motivation for having two levels of directories here as ...
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1 answer
466 views

Should Single Quotes Be Used for Multiple Row MySQL UPDATEs?

When you are performing a SQL UPDATE on multiple rows in MySQL, it seems that you can either put single quotes around every value or not and it will produce the same results. Is there a reason for ...
0 votes
1 answer
411 views

Why was 568a / 568b developed for structured cabling, why wasnt alphabetic order used ?

Why was 568a / 568b developed and why didnt they just do it alphabetically eg blue, blue white, brown, brown white, green, green white, orange, orange white. I understand that according to structured ...
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0 votes
0 answers
1k views

Are these "slide-in" interchangeable plug adapters standardized/generic?

I'm sure I have or had at least one other device with this handy feature, but here's a photo of my Lenovo netbook's wall-wart power supply with the Australian slide-in adapter plug detached. This is ...
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1 vote
1 answer
14k views

Why the trend to have SSID prefix start as "Direct-xx"?

I've noticed this trend that WIFI SSIDs now start with a prefix of "Direct-xx" (ex: Direct-EK-Bravia). I've been unable to find anything that points to a new standard or requirement? Is this just say ...
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1 vote
3 answers
361 views

Where do I put a fileshare in FreeBSD?

I'm wanting to set up a general purpose file share on my FreeBSD box. I'm planning on making it available via multiple services (nfs/samba/etc) but I'm wondering if there is a particular place that is ...
-1 votes
2 answers
124 views

Are there any byte-level RAID standards, and if not why?

If you want data durability, you make backups. You might also want to use RAID to improve uptime, and to prevent online data loss. One can use software RAID, onboard/motherboard RAID, or a separate ...
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1 vote
1 answer
823 views

General mask for a telephone number?

I'm making a web form and wanted to have a general template for a phone number. In my experience every phone number might be represented in 13-digits format: xxx-xxx-xxx-xxxx. For example the country ...
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-2 votes
1 answer
4k views

What does the "s" letter mean after video format's resolution, DDDDs?

Video resolution is often written as DDDDl (where D - is digit and l is letter). For example 1080i - is 1920x1080 interlace and 720p is 720x576 progressive. But I've just watched a 3D video on ...
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12 votes
1 answer
4k views

What is the purpose of allowing comments inside email addresses?

According to the standard, it's possible to insert 'comments' inside email addresses, such that john(hello @(world!) )@example.com and john@(my)example.com direct to john@example.com. The standard ...
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1 answer
2k views

When terminating a straight through network cable, should I use 568A or 568B?

What the title says, really. Sure, it'll work either way, even if I order them by my favourite colors, provided they are the same in both ends, but what is the "correct" standard to use with 100BaseTX ...
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5 votes
1 answer
8k views

Why should one prefer lower case file extensions like .jpg over uppercase ones like .JPG?

Many (most?) programs note file extensions in lower case. ls command in bash even prints foo.jpg highlighted as picture by default but not *.JPG. Lower case characters are better to distinguish from ...
0 votes
0 answers
28 views

Is there a standard for specifying weather-related preferences?

I find over and over again that weather applications and web sites default to temperatures in °F and wind speeds in mph. My local standard (which is "local" in most of the world, I believe) is °C and ...
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4 votes
2 answers
3k views

Crimping T568A vs. T568B color scheme: Does it matter electrically?

I have bulk Cat 5e Ethernet cable with "TIA/EIA-568B.2" stamped on the jacket. I'm assuming this means I should use the T568B color scheme. If I were to crimp both ends using the T568A color scheme ...
3 votes
1 answer
2k views

Why are USB connectors different from RJ45/Ethernet connectors?

I note that USB cable and Ethernet cable (RJ45/Cat5/...) have the same function : to transmit data as fast as possible over a wire or a port that we can connect and disconnect. In their evolution they ...
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1 vote
1 answer
3k views

Behavior of DHCP-client

This is a question about the Internet protocol standards. The DCHP-client (dhcpcd-5.2.10 from Android 4.x) initializes an interface The DHCP-client sends a DHCPDISCOVER message DHCP-server sends a ...
0 votes
1 answer
64 views

Is there any STANDARD U.S.-compatible keyboard layout for typing extended Latin?

I am getting REALLY tired of adjusting my typing habit when needing to type characters such as ø, å and æ to name a few, after switching from Mac OSX to Windows to Mac OSX, which I unfortunately have ...
0 votes
1 answer
112 views

Determine which Wi-Fi standard is being broadcast

I am on a Wi-Fi network that I think is 802.11b, judging by the low bandwidth I have, if compared with a wired connection. But how can I confirm that this wireless network is broadcasting 802.11b ...
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1 vote
0 answers
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Is there A Standard Format For Describing Network Architecture/Topologies

I'm looking into tools for automatically mapping network resources that create hardware and software diagrams of the network such as WhatsUp Gold, HP TopTools, etc. Is there a standard format, XML ...
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3 votes
2 answers
764 views

SATA connector position on a hard disk

I have a external SATA drive enclosure that connects via USB to a PC/Mac and it accepts a bare SATA drive being slotted directly into the enclosure, much like a hot swappable disk you would find in a ...
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108 votes
4 answers
38k views

Is there a standard name for the "standard" computer screw?

I have the unfortunate task of writing a technical document, and I know the government is a stickler for unnecessary detail. Is there standard name for the standard computer screw? Also, what is the ...
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3 votes
1 answer
1k views

Why is Internet Explorer not a standards-compliant browser?

Disclaimer: This is not a rant question whatsoever. I do a lot of web development and I manipulate websites on a daily basis at my work. Something I always come across when fixing things is that ...
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0 votes
3 answers
150 views

Why Standards Place Limits on Data Transfer Rates?

This is a rather general question about hardware and standards in general: Why do they place limits on data transfer rates, and disallow manufacturers from exceeding those rates? (E.g. 100 Mbit/s for ...
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3 votes
1 answer
2k views

Associate ISO week date with a month

is there any standard way to associate a ISO week number with a specific month? Let's say we have week 35 this year (from 08/29/2011 to 09/04/2011), does this week belong to August or September? I'...