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Why does HTML5 form-validation allow emails without a dot?
...that it is of minimum use. Nevertheless, the web browsers are to implement based on standards (i.e. RFCs), not based on the most common cases.
– Ali Alavi
Dec 17 '13 at 16:26
9
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How to fix 'sudo: no tty present and no askpass program specified' error?
... Force pseudo-tty allocation. This can be used to execute arbitrary screen-based programs on a remote machine see also: sudo-no-tty-present-and-no-askpass-program-specified Also sudo -A allows setting a sudo askpass program, but I only see GUIs. Does anyone one know an askpass to allow ssh remoteh...
What is Cache-Control: private?
...st has to be a something.
If I'm pulling a list of products out of a database, the server can send the last rowversion as an ETag, rather than a date:
200 OK
ETag: "247986"
My ETag can be the SHA1 hash of a static resource (e.g. image, js, css, font), or of the cached rendered page (i.e. this i...
Encrypt and decrypt a string in C#?
... //While an app specific salt is not the best practice for
//password based encryption, it's probably safe enough as long as
//it is truly uncommon. Also too much work to alter this answer otherwise.
private static byte[] _salt = __To_Do__("Add a app specific salt here");
/// <s...
Bash script absolute path with OS X
...path(s), although I'm not sure of the behavior if there is white space the base name of the utility itself, so maybe, um, avoid that?
#!/bin/sh
realpath() {
OURPWD=$PWD
cd "$(dirname "$1")"
LINK=$(readlink "$(basename "$1")")
while [ "$LINK" ]; do
cd "$(dirname "$LINK")"
LINK=$(read...
How to convert latitude or longitude to meters?
... this which this comment seem to be an adoption of. The link also says its based on this article on distance calculation. So any unanswered questions should be found in the original link. :)
– Joachim
Mar 25 '17 at 18:19
...
Convert data.frame columns from factors to characters
...
If you understand how factors are stored, you can avoid using apply-based functions to accomplish this. Which isn't at all to imply that the apply solutions don't work well.
Factors are structured as numeric indices tied to a list of 'levels'. This can be seen if you convert a factor to nume...
Catch All Bugs with BugTrap! - 开源 & Github - 清泛网移动版 - 专注IT技能提升
...developer's computer by e-mail, over HTTP, or through a fast low-level TCP-based network protocol. The BugTrap server automatically manages the error reports repository, and notifies developers about any new errors.
BugTrap stores error descriptions in log and mini-dump files. Mini-dump files may...
Catch All Bugs with BugTrap! - 开源 & Github - 清泛网移动版 - 专注IT技能提升
...developer's computer by e-mail, over HTTP, or through a fast low-level TCP-based network protocol. The BugTrap server automatically manages the error reports repository, and notifies developers about any new errors.
BugTrap stores error descriptions in log and mini-dump files. Mini-dump files may...
Catch All Bugs with BugTrap! - 开源 & Github - 清泛网移动版 - 专注IT技能提升
...developer's computer by e-mail, over HTTP, or through a fast low-level TCP-based network protocol. The BugTrap server automatically manages the error reports repository, and notifies developers about any new errors.
BugTrap stores error descriptions in log and mini-dump files. Mini-dump files may...