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Grep characters before and after match?
...
3 characters before and 4 characters after
$> echo "some123_string_and_another" | grep -o -P '.{0,3}string.{0,4}'
23_string_and
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Best way to create an empty object in JSON with PHP?
...t will keep rendering properly into a dictionary:
$complex['dict']['a'] = 123;
print json_encode($complex); // -> {"list":[],"dict":{"a":123}}
unset($complex['dict']['a']);
print json_encode($complex); // -> {"list":[],"dict":{}}
If you need this to be 100% compatible both ways, you can al...
Using an integer as a key in an associative array in JavaScript
...ered Mar 24 '14 at 12:51
Jesuslg123Jesuslg123
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Remove shadow below actionbar
...o be compatible with all previous devices?
– splinter123
Mar 22 '15 at 22:05
same as @splinter123 here :( Wonder how I...
Find duplicate lines in a file and count how many time each line was duplicated?
...iq -c | grep -v '^ *1 '
For the given example, the result would be:
3 123
2 234
If you want to print counts for all lines including those that appear only once:
sort FILE | uniq -c
or, with GNU long options (on Linux):
sort FILE | uniq --count
For the given input, the output is:
...
AngularJS: Service vs provider vs factory
...ided code.
Here's a great further explanation by Misko:
provide.value('a', 123);
function Controller(a) {
expect(a).toEqual(123);
}
In this case the injector simply returns the value as is. But what if you want to compute the value? Then use a factory
provide.factory('b', function(a) {
return ...
href=“tel:” and mobile numbers
...code for New South Wales
6555 - STD code for a specific telephone exchange
1234 - Telephone Exchange specific extension.
For a mobile phone this becomes
0 - trunk prefix
4 - Area code for a mobile telephone
1234 5678 - Mobile telephone number
Now, when I want to dial via the int...
Check status of one port on remote host [closed]
...ll && echo Connected. || echo Fail.
Connected.
$ curl -s localhost:123 >/dev/null && echo Connected. || echo Fail.
Fail.
Possibly it may not won't work for all services, as curl can return different error codes in some cases (as per comment), so adding the following condition co...
Git Alias - Multiple Commands and Parameters
...performing redirections and return the status 0. Here're some usages: 1. a=123;$a errors, but a=123; : $a does not. 2. : > hello.txt empties hello.txt. 3. if [ "$a" = "hello" ];then : ;fi runs okay but errors without ':'. It's like pass in python. 4. : this is a comment, the colon followed by spa...
What are some alternatives to ReSharper? [closed]
...nswered Sep 16 '10 at 15:19
iggi123iggi123
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