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How to read from a file or STDIN in Bash?
... way. Consider each backslash to be part of the input line.
- Without setting IFS, by default the sequences of Space and Tab at the beginning and end of the lines are ignored (trimmed).
- Use printf instead of echo to avoid printing empty lines when the line consists of a single -e, -n or ...
Are there any standard exit status codes in Linux?
...it status? Traditionally, the shell only stores an 8-bit return code, but sets the high bit if the process was abnormally terminated.
$ sh -c 'exit 42'; echo $?
42
$ sh -c 'kill -SEGV $$'; echo $?
Segmentation fault
139
$ expr 139 - 128
11
If you're seeing anything other than this, then the pro...
How to find the php.ini file used by the command line?
...guration file, try retrieving the value of the cfg_file_path configuration setting. If this is available, a configuration file is being used.Unlike phpinfo() it will tell if it didn't find/use a php.ini at all.
var_dump( get_cfg_var('cfg_file_path') );
And you can simply set the location of the p...
Why is Github asking for username/password when following the instructions on screen and pushing a n
...
You can also do git remote set-url origin git@github.com:user/repo.git, as detailed in stackoverflow.com/questions/10126381/…
– And Finally
Jun 28 '18 at 11:03
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fatal: early EOF fatal: index-pack failed
...But the last git pull --all not works. Because of git clone --depth 1 will set fetching range only one branch. So we have to edit .git/config first.
– pjincz
Jul 9 '16 at 16:11
...
Tools for analyzing performance of a Haskell program
... editor after snippets, if snippets enabled
if (StackExchange.settings.snippets.snippetsEnabled) {
StackExchange.using("snippets", function() {
createEditor();
});
}
else {
createEditor();
...
Getting all names in an enum as a String[]
What's the easiest and/or shortest way possible to get the names of enum elements as an array of String s?
20 Answers
...
How to log a method's execution time exactly in milliseconds?
... = [NSDate date];
/* ... Do whatever you need to do ... */
NSDate *methodFinish = [NSDate date];
NSTimeInterval executionTime = [methodFinish timeIntervalSinceDate:methodStart];
NSLog(@"executionTime = %f", executionTime);
Swift:
let methodStart = NSDate()
/* ... Do whatever you need to do ......
Getting the closest string match
...ing insurance would give us some badly typed out information about their assets and we had to match it to the database of known platforms. When there was very little information given, the best we could do is rely on an underwriter to "recognize" the one they were referring to and call up the proper...
Using HTML5/JavaScript to generate and save a file
... If you want to avoid using a popup, which can get blocked, you can set the location.href to the content. location.href = uriContent.
– Alex Turpin
Oct 3 '11 at 16:41
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