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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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What are the GCC default include directories?
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edited Oct 8 '18 at 11:00
Edwin Pratt
59566 silver badges1818 bronze badges
answered Jul 12 '11 at 15...
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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Catching an exception while using a Python 'with' statement
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answered Apr 3 '09 at 13:04
Douglas LeederDouglas Leeder
47.7k88 gold badges8484 silver badges127127 bronze badges
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Get name of current script in Python
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edited Apr 30 at 13:22
answered Nov 11 '10 at 9:35
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Are delphi variables initialized with a value by default?
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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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