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How can I know which parts in the code are never used?
...).
-Wunreachable-code (older GCC, removed in 2010) should warn about local blocks that are never accessed (it happens with early returns or conditions that always evaluate to true)
there is no option I know of to warn about unused catch blocks, because the compiler generally cannot prove that no exc...
Difference between “read commited” and “repeatable read”
...transactions, while they may make life easy for you, are always completely blocking every possible concurrent operation, since they require that nobody can modify, delete nor insert any row. The default transaction isolation level of the .Net System.Transactions scope is serializable, and this usual...
Are HTML comments inside script tags a best practice? [closed]
...great majority do) - it is irrelevant because almost all understand script blocks, which means that they know to ignore the JavaScript even if they can't interpret it.
Matt Kruse gives a slightly more detailed explanation on his JavaScript Toolbox site for why specifically not to use HTML comments ...
How exactly does work?
...ents. I saw the defer attribute can come in handy here as it allows code blocks to be postponed in execution.
10 Answers
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How can I force clients to refresh JavaScript files?
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This uses PHP tags and if one uses PHP, it is indeed a good idea.
– Jerther
Apr 19 '17 at 12:31
3
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Why was the switch statement designed to need a break?
... idea for C# to require an explicit jump statement at the end of each case block (while still allowing multiple case labels to be stacked - as long as there's only a single block of statements). In C# you can still have one case fall through to another - you just have to make the fall thru explicit ...
is there a css hack for safari only NOT chrome?
...background-color:#CCCCCC;
);}
}
Since I have pointed out the way to block iOS devices, here is the modified version of Safari 6.1+ hack that targets non-iOS devices:
/* Safari 6.1-10.0 (not 10.1) (non-iOS) */
@media screen and (min-color-index:0) and(-webkit-min-device-pixel-ratio:0)
{ @med...
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 read keyboard-input?
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Non-blocking multi-threaded version, so you can keep doing stuff instead of blocking on keyboard input: stackoverflow.com/a/53344690/4561887
– Gabriel Staples
Nov 16 '18 at 20:10
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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_...