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How do I use shell variables in an awk script?
...ld be compatible with most awk, and the variable is available in the BEGIN block as well:
If you have multiple variables:
awk -v a="$var1" -v b="$var2" 'BEGIN {print a,b}'
Warning. As Ed Morton writes, escape sequences will be interpreted so \t becomes a real tab and not \t if that is what you ...
How can I force clients to refresh JavaScript files?
...
This uses PHP tags and if one uses PHP, it is indeed a good idea.
– Jerther
Apr 19 '17 at 12:31
3
...
Are static fields open for garbage collection?
...r static initialisation then disposed of, you can use a static initialiser block, e.g.
class MyUtils {
static
{
MyObject myObject = new MyObject();
doStuff(myObject, params);
}
static boolean doStuff(MyObject myObject, Params... params) {
// do stuff with myObject an...
int a[] = {1,2,}; Weird comma allowed. Any particular reason?
...r a = [1, 2,];, so do most other languages I know... ActionScript, Python, PHP.
– Sean Fujiwara
Aug 14 '11 at 3:43
14
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How to access the content of an iframe with jQuery?
...).
A workaround is saving the external contents in a file, for example (in PHP):
<?php
$contents = file_get_contents($external_url);
$res = file_put_contents($filename, $contents);
?>
then, get the new file content (string) and parse it to html, for example (in jquery):
$.get(file_...
How to do URL decoding in Java?
...
This answer is misleading; that block quote has nothing to do with the deprecation. The Javadoc of the deprecated method states, and I actually quote @deprecated The resulting string may vary depending on the platform's default encoding. Instead, use the de...
How to remove “disabled” attribute using jQuery?
...("id")=="radio_share_dependent")
{
$(".share_dependent_block input, .share_dependent_block select").prop("disabled",false);
}
else
{
$(".share_dependent_block input, .share_dependent_block select").prop("disabled",true);
}
}
...
How many threads is too many?
...
@Andrew, I can't see why'd you'd semaphore-block the DB queries, any decent DB will allow concurrent access, with many threads waiting on the responses. And threads shouldn't cost any execution time while semaphore-blocked, they should sit in the blocked queue until t...
How do you manage databases in development, test, and production?
...on is readable also at http://martinfowler.com/articles/evodb.html
In one PHP+MySQL project I've had the database revision number stored in the database, and when the program connects to the database, it will first check the revision. If the program requires a different revision, it will open a pag...
scrollIntoView Scrolls just too far
...getElementById('anchor-name')
element.scrollIntoView({ behavior: 'smooth', block: 'start' });
For smooth scrolling with an offset of 100px.
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