大约有 40,000 项符合查询结果（耗时：0.0491秒） [XML]
Which is fastest? SELECT SQL_CALC_FOUND_ROWS FROM `table`, or SELECT COUNT(*)
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According to the following article: https://www.percona.com/blog/2007/08/28/to-sql_calc_found_rows-or-not-to-sql_calc_found_rows/
If you have an INDEX on your where clause (if id is indexed in your case), then it is better not to use SQL_CALC_FOUND_ROWS and us...
Validating IPv4 addresses with regexp
...1
127.1
192.168.1.256
-1.2.3.4
1.1.1.1.
3...3
Try online with unit tests: https://www.debuggex.com/r/-EDZOqxTxhiTncN6/1
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A Windows equivalent of the Unix tail command [closed]
...ably not a good idea. At the very least, one should download through their HTTPS site.
– Zero3
Sep 18 '17 at 13:57
1
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What's the fastest way to do a bulk insert into Postgres?
... very fast Postgresq data loader with native libpq methods.
Try my package https://www.nuget.org/packages/NpgsqlBulkCopy/
Disable Visual Studio code formatting in Razor
...er > Options > Code Editing > Razor > Editor & Formatting
https://www.jetbrains.com/help/resharper/2016.1/Reference__Options__Languages__Razor__Editor.html
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How to avoid installing “Unlimited Strength” JCE policy files when deploying an application?
...ion will no longer work: the field that these solutions set is now final (https://bugs.openjdk.java.net/browse/JDK-8149417).
Looks like it's back to either (a) using Bouncy Castle, or (b) installing the JCE policy files.
s...
Copy array by value
...ng) only; where the Spread operator [...myArray] has the best performance (https://measurethat.net/Benchmarks/Show/4281/0/spread-array-performance-vs-slice-splice-concat).
Array of literal-values (type1) and literal-structures (type2)
The JSON.parse(JSON.stringify(myArray)) technique can be used to ...
How do you trigger a block after a delay, like -performSelector:withObject:afterDelay:?
...Log(@"parameter1: %d parameter2: %f", parameter1, parameter2);
});
More: https://developer.apple.com/documentation/dispatch/1452876-dispatch_after
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AngularJS with Django - Conflicting template tags
... verbatim Django template tag
and use it like this :
<script src="https://ajax.googleapis.com/ajax/libs/angularjs/1.6.4/angular.min.js"></script>
{% verbatim %}
<div ng-app="">
<p>10 is {{ 5 + 5 }}</p>
</div>
{% endverbatim %}
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How to mock a final class with mockito
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Use Powermock. This link shows, how to do it: https://github.com/jayway/powermock/wiki/MockFinal
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