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Daemon Threads Explanation
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So if I have a child thread that is performing a file write operation which is set to non-deamon, Does that mean I have to make it exit explicitly ?
– Ciasto piekarz
Jun 15 '14 at 15:19
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Is there a bash command which counts files?
... bash:
ls -1q log* | wc -l
ls -1q will give you one line per file, even if they contain whitespace or special characters such as newlines.
The output is piped to wc -l, which counts the number of lines.
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Javascript !instanceof If Statement
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Enclose in parentheses and negate on the outside.
if(!(obj instanceof Array)) {
//...
}
In this case, the order of precedence is important (https://developer.mozilla.org/en-US/docs/JavaScript/Reference/Operators/Operator_Precedence). The ! operator precedes the instanc...
Using std Namespace
There seem to be different views on using 'using' with respect to the std namespace.
15 Answers
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Stop setInterval call in JavaScript
... How can you start it again after stopping with 'clearInterval()'? If I try to restart it I get 2x the setInterval running.
– Dan
Apr 2 '12 at 15:37
9
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How to add elements of a Java8 stream into an existing List
...nswer is no, at least, not in general, you shouldn't use a Collector to modify an existing collection.
The reason is that collectors are designed to support parallelism, even over collections that aren't thread-safe. The way they do this is to have each thread operate independently on its own colle...
Accessing elements of Python dictionary by index
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Like, for example, if you had a dictionary of unknown depth, e.g, a nested dictionary, and you have element "n" at an unknown depth, stored in an unknown element.
– Ethan Bierlein
May 13 '15 at 12:27
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Correct way to use StringBuilder in SQL
...usually) is to reduce memory churn rather than total memory used, to make life a bit easier on the garbage collector.
Will that take memory equal to using String like below?
No, it'll cause more memory churn than just the straight concat you quoted. (Until/unless the JVM optimizer sees that th...
How do I get the height and width of the Android Navigation Bar programmatically?
...ces resources = context.getResources();
int resourceId = resources.getIdentifier("navigation_bar_height", "dimen", "android");
if (resourceId > 0) {
return resources.getDimensionPixelSize(resourceId);
}
return 0;
sha...
Jquery: how to trigger click event on pressing enter key
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$('#txtSearchProdAssign').keypress(function (e) {
var key = e.which;
if(key == 13) // the enter key code
{
$('input[name = butAssignProd]').click();
return false;
}
});
$(function() {
$('input[name="butAssignProd"]').click(function() {
alert('Hello...!');
});
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