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How do I fetch lines before/after the grep result in bash?
...orking. But when I tried to store this execution in the variable like this test=$(grep -i -B 10 'error' data), and print it using echo $test, I get the straight long lines as output.
– sriram
Sep 16 '12 at 9:35
...
Calling a function when ng-repeat has finished
...
var module = angular.module('testApp', [])
.directive('onFinishRender', function ($timeout) {
return {
restrict: 'A',
link: function (scope, element, attr) {
if (scope.$last === true) {
$timeout(functio...
Convert a String In C++ To Upper Case
...o the one using the boost libraries, because it was faster (in my informal testing), easier to use, and doesn't have the the problems associated with this solution. Still a good solution for instances where boost can't be used.
– OrangeAlmondSoap
Jan 25 '11 at ...
Null vs. False vs. 0 in PHP
...f them have a value in a boolean context, which (in PHP) is False.
If you test it with ==, it's testing the boolean value, so you will get equality. If you test it with ===, it will test the type, and you will get inequality.
So why are they useful ?
Well, look at the strrpos() function. It retur...
How to programmatically display version/build number of target in iOS app?
...orInfoDictionaryKey("CFBundleShortVersionString") as! String
Swift 3.0+ (tested with 5.0):
let appVersionString: String = Bundle.main.object(forInfoDictionaryKey: "CFBundleShortVersionString") as! String
To get the build number:
Objective-C:
NSString * appBuildString = [[NSBundle mainBundle] ...
github markdown colspan
... and was pleased that the colspan worked fine with consecutive pipes ||
Tested on v4.5 (latest on macports) and the v5.4 (latest on homebrew). Not sure why it doesn't work on the live preview site you provide.
A simple test that I started with was:
| Header ||
|--------------|
| 0 | 1 |
usin...
Can you have multiple $(document).ready(function(){ … }); sections?
...
You can have multiple ones, but it's not always the neatest thing to do. Try not to overuse them, as it will seriously affect readability. Other than that , it's perfectly legal. See the below:
http://www.learningjquery.com/2006/09/multiple-document-ready
Try this out:
$(docum...
How do you debug MySQL stored procedures?
...MITER $$
DROP PROCEDURE IF EXISTS `debug_msg`$$
DROP PROCEDURE IF EXISTS `test_procedure`$$
CREATE PROCEDURE debug_msg(enabled INTEGER, msg VARCHAR(255))
BEGIN
IF enabled THEN
select concat('** ', msg) AS '** DEBUG:';
END IF;
END $$
CREATE PROCEDURE test_procedure(arg1 INTEGER, arg2 INTEG...
XMLHttpRequest Origin null is not allowed Access-Control-Allow-Origin for file:/// to file:/// (Serv
...nd then included the data in the html like normal javascript:
<div id="test"></div>
<script src="base64_data.js"></script>
<script>
data = atob(base64_data);
var sqldb = new SQL.Database(data);
// Database test code from the sql.js project
var test = s...
Ternary operator (?:) in Bash
...
Note that the = operator tests for string equality, not numeric equality (i.e. [[ 05 = 5 ]] is false). If you want numeric comparison, use -eq instead.
– Gordon Davisson
Oct 17 '10 at 19:54
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