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SQL JOIN vs IN performance?
...y you mention that, I did a blog post on this very subject.
See Oracle vs MySQL vs SQL Server: Aggregation vs Joins
Short answer: you have to test it and individual databases vary a lot.
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Do I need to convert .CER to .CRT for Apache SSL certificates? If so, how?
...icking a .crt file as a request to import the certificate into the Windows Root Certificate store, but treats a .cer file as a request just to view the certificate. So, they're different in the sense that Windows has some inherent different meaning for what happens when you double click each type of...
“Single-page” JS websites and SEO
...ion to serve images, etc.) "/mydir/myfile", "/myotherdir/myotherfile" or root "/" -- all requests receive the same exact code. You need to have some kind url rewrite engine. You can also serve a tiny bit of html and the rest can come from your CDN (using require.js to manage dependencies -- see h...
$location / switching between html5 and hashbang mode / link rewriting
...nction as normal otherwise reroute everything else.
private const string ROOT_DOCUMENT = "/Index.html";
protected void Application_BeginRequest(Object sender, EventArgs e)
{
var path = Request.Url.AbsolutePath;
var isApi = path.StartsWith("/api", StringComparison.InvariantCultureIgnoreCas...
Primary key/foreign Key naming convention [closed]
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The "using" keyword is MySql specific. Doesn't work in T-SQL—unfortunately.
– birdus
Aug 8 '17 at 18:46
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What's the difference between StaticResource and DynamicResource in WPF?
...not.
Suppose you have this nested Style dictionary. LightGreen is at the root level while Pink is nested inside a Grid.
<ResourceDictionary xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml">
<S...
Reducing MongoDB database file size
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Just a heads up 'don't do like I did' and run --repair as root. chowns the db files to root. doh.
– Totoro
Apr 1 '11 at 1:28
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Add … if string is too long PHP [duplicate]
I have a description field in my MySQL database, and I access the database on two different pages, one page I display the whole field, but on the other, I just want to display the first 50 characters. If the string in the description field is less than 50 characters, then it won't show ... , but if...
How to specify JVM maximum heap size “-Xmx” for running an application with “run” action in SBT?
...ver=y,suspend=n,address=5005
You can also create an .sbtopts file in the root of your SBT project using the same syntax as in the /usr/local/etc/sbtopts file. This makes the project self-contained.
Before sbt 0.13.6 you could set the options in .sbtconfig for non forked processes:
Check where s...
JavaScript - onClick to get the ID of the clicked button
...c functionality. I'm working on adding functions to a dynamic DB using PHP/MySQL and JS; this works out well for adding a specific function to specific dynamic classes. Thanks!
– ejbytes
Sep 8 '16 at 23:21
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