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Optimum way to compare strings in JavaScript? [duplicate]
...era, IE, Firefox, Chrome and Safari all return 1 for 'dog'.localeCompare('cat'), which is to be expected, and -1 when you reverse the caller and the argument. BUt capital letters behave oddly- 'dog'.localeCompare('Dog') Of the browsers I tested, only Safar 4 returned 1. It returns -1 in IE8 a...
Convert decimal to hexadecimal in UNIX shell script
...ant to filter a whole file of integers, one per line:
( echo "obase=16" ; cat file_of_integers ) | bc
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Replacing instances of a character in a string
...his is the easiest method I've found so far.
– Flare Cat
Dec 23 '15 at 11:40
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Replace tabs with spaces in vim
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Awesome tip! Vim showed me a perfectly idented file while cat (linux cmd) showed irregular identation. I just changed the 2 spaces to 4 as I use in Vim set ts = 4.
– karlphillip
Nov 23 '11 at 12:20
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Logcat not displaying my log calls
...ebug my apps. I can't seem to have my Log.i|d|v calls displayed in the LogCat.
31 Answers
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PHP substring extraction. Get the string before the first '/' or the whole string
...strtok function:
strtok($mystring, '/')
For example:
$mystring = 'home/cat1/subcat2/';
$first = strtok($mystring, '/');
echo $first; // home
and
$mystring = 'home';
$first = strtok($mystring, '/');
echo $first; // home
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How to tell git to ignore individual lines, i.e. gitignore for specific lines of code [duplicate]
...d'", i.e. delete these lines
$ git config --global filter.gitignore.smudge cat, i.e. do nothing when pulling file from repo
Notes:
Of course, this is for ruby files, applied when a line ends with #gitignore, applied globally in ~/.gitconfig. Modify this however you need for your purposes.
Warnin...
How do I display a text file content in CMD?
... How is this similar to tail -f? tail -f loops forever. How did you replicate the -f of it?
– Elie Saad
Jan 17 '18 at 10:16
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How to check which version of v8 is installed with my NodeJS?
...vailable in your terminal, the following should give you v8's version:
V=`cat /usr/include/node/node_version.h | grep -E '^\#define NODE_(MAJOR|MINOR|PATCH)_VERSION' | sed -e 's/^[^0-9]*//'`; V=`echo $V | sed -e 's/ /\./g'`; URL=https://github.com/joyent/node/raw/v$V/ChangeLog; curl --silent $URL |...
How to use sed to remove the last n lines of a file
...head, but is not standard. Indeed, the standard for head states: The application shall ensure that the number option-argument is a positive decimal integer.
– William Pursell
Nov 14 '12 at 15:51
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