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.c vs .cc vs. .cpp vs .hpp vs .h vs .cxx [duplicate]
... have the necessary cpp wrappers or namespace and then include the .h in order to expose a c library to both c and c++.
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Display text on MouseOver for image in html
...>
<div>text</div>
CSS:
div {
display: none;
border:1px solid #000;
height:30px;
width:290px;
margin-left:10px;
}
a:hover + div {
display: block;
}
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Regex to replace multiple spaces with a single space
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Edited to order by decreasing speed. Vivek's and Maloric's comments refer to lines with 380 ms and 790 ms.
– Skippy le Grand Gourou
Feb 16 '19 at 21:04
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Eclipse syntax highlighting preferences save and restore
...veral small settings files (one for Java, one for JSP, HTML, CSS, ...), in order to better analyzing the potential side-effects when re-importing those settings.
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How to start an Intent by passing some parameters to it?
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In order to pass the parameters you create new intent and put a parameter map:
Intent myIntent = new Intent(this, NewActivityClassName.class);
myIntent.putExtra("firstKeyName","FirstKeyValue");
myIntent.putExtra("secondKeyName"...
What's the complete range for Chinese characters in Unicode?
... used in
Japanese copies of classical Chinese texts, to indicate reading order.
[\u3400-\u4DBF]
CJK Unified Ideographs Extension-A is a Unicode block containing rare
Han ideographs.
[\u4E00-\u9FCC]
CJK Unified Ideographs is a Unicode block containing the most common
CJK ideogra...
What is /dev/null 2>&1?
...nal. It is because we are not redirecting error output to /dev/null, so in order to redirect error output as well, it is required to add 2>&1:
$ ls -l file_doesnot_exists > /dev/null 2>&1
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Fixing “Lock wait timeout exceeded; try restarting transaction” for a 'stuck" Mysql table?
...running transactions with
SELECT * FROM `information_schema`.`innodb_trx` ORDER BY `trx_started`
Your transaction should be one of the first, because it's the oldest in the list. Now just take the value from trx_mysql_thread_id and send it the KILL command:
KILL 1234;
If you're unsure which tr...
Cross cutting concern example
...e some clever tricks in IntelliJ IDEA (structural search & replace) in order to speed up the whole action, but boy don't you think it was trivial! Sure, strongly context-dependent debug logging will always occur within a method body, but many important types of logging such as tracing method cal...
How to fully delete a git repository created with init?
... @Van those are bash flags (options), and they can go in whatever order you'd like :)
– De Novo
Mar 4 '18 at 20:00
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