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How can I check whether a option already exist in select by JQuery
...it already exists:
$("#yourSelect option[value='yourValue']").length > 0;
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Maven: Command to update repository after adding dependency to POM
...in STS will automatically download it for you.
– JJ180
Dec 19 '11 at 17:35
15
@Andrew Spencer's r...
What's the best way to retry an AJAX request on failure using jQuery?
... url : 'someurl',
type : 'POST',
data : ....,
tryCount : 0,
retryLimit : 3,
success : function(json) {
//do something
},
error : function(xhr, textStatus, errorThrown ) {
if (textStatus == 'timeout') {
this.tryCount++;
if (thi...
How to remove duplicate values from a multi-dimensional array in PHP
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answered Jun 3 '09 at 18:12
daveilersdaveilers
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Are delphi variables initialized with a value by default?
...
10 Answers
10
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Create and append dynamically
...= 'block';
iDiv.className = 'block';
document.getElementsByTagName('body')[0].appendChild(iDiv);
// Now create and append to iDiv
var innerDiv = document.createElement('div');
innerDiv.className = 'block-2';
// The variable iDiv is still good... Just append to it.
iDiv.appendChild(innerDiv);
htt...
Benefits of using the conditional ?: (ternary) operator
...ithout sacrificing readability.
Good example:
int result = Check() ? 1 : 0;
Bad example:
int result = FirstCheck() ? 1 : SecondCheck() ? 1 : ThirdCheck() ? 1 : 0;
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How can I get the sha1 hash of a string in node.js?
...pto.createHash('sha1')
shasum.update('foo')
shasum.digest('hex') // => "0beec7b5ea3f0fdbc95d0dd47f3c5bc275da8a33"
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How can you detect the version of a browser?
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508
You can see what the browser says, and use that information for logging or testing multiple bro...
Tying in to Django Admin's Model History
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edited Jan 7 '15 at 12:03
Pēteris Caune
36.7k66 gold badges5151 silver badges7676 bronze badges
answ...