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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"...
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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.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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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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How to check if array is empty or does not exist? [duplicate]
... out that my original answer, more than anything else, addressed the wrong order of the conditions being evaluated in the question. In this sense, it fails to address several scenarios, such as null values, other types of objects with a length property, etc. It is also not very idiomatic JavaScript....
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...
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 reset postgres' primary key sequence when it falls out of sync?
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@Valery: But in order to avoid gaps mentioned by @mikl two comments above, you need SELECT setval('your_table_id_seq', coalesce((select max(id)+1 from your_table), 1), false);
– Antony Hatchkins
Nov 9 '...