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How to check if a variable is set in Bash?
How do I know if a variable is set in Bash?
33 Answers
33
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...{
"set_prop": "TempValueLabel.Text",
"value": {
"joi...
How do I get the number of days between two dates in JavaScript?
...mewhat clunky. Instead, by explicitly accounting for changes to the UTC offset when DST begins or ends, we can use exact arithmetic:
function treatAsUTC(date) {
var result = new Date(date);
result.setMinutes(result.getMinutes() - result.getTimezoneOffset());
return result;
}
function d...
Detect all changes to a (immediately) using JQuery
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Unfortunately, I think setInterval wins the prize:
<input type=text id=input_id />
<script>
setInterval(function() { ObserveInputValue($('#input_id').val()); }, 100);
</script>
It's the cleanest solution, at only 1 line of code...
Get filename from file pointer [duplicate]
If I have a file pointer is it possible to get the filename?
1 Answer
1
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How to check if an element does NOT have a specific class?
... TIMTOWTDI vein...:D, hoping it isn't incorrect 'JS etiquette'.
I usually set up a var with the condition and then refer to it later on..i.e;
// var set up globally OR locally depending on your requirements
var hC;
function(el) {
var $this = el;
hC = $this.hasClass("test");
// use the vari...
i18n Pluralization
I want to be able to translate pluralized strings in i18n in rails. A string can be :
7 Answers
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How do I sort a list of dictionaries by a value of the dictionary?
...er('name'))
'key' is used to sort by an arbitrary value and 'itemgetter' sets that value to each item's 'name' attribute.
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How to find out client ID of component for ajax update/render? Cannot find component with expression
The following code is inspired from PrimeFaces DataGrid + DataTable Tutorials and put into a <p:tab> of a <p:tabView> residing in a <p:layoutUnit> of a <p:layout> . Here is the inner part of the code (starting from p:tab component); the outer part is trivial.
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