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IntelliJ inspection gives “Cannot resolve symbol” but still compiles code
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invalidate didn't work no matter how many times i tried. I deleted the .idea folder and then re-imported the project with build.gradle. It works now.
– HelpMatters
Feb 11 '16 at 14:48
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What's the difference between isset() and array_key_exists()? [duplicate]
...sset is significantly faster. If this check is happening many thousands of times, you'd want to use isset.
It should be noted that they are not identical, though -- when the array key exists but the value is null, isset will return false and array_key_exists will return true. If the value may be nu...
MySQL case insensitive select
...e is the best way to handle it, seems like a workaround. But I admit it at times it makes sense and is easier. (Colin did mention collate was better) We had historical data moved into mysql table which broke legacy logic because of certain column values having insensitive case. We needed to know the...
How do I merge a git tag onto a branch
I'm trying to find the syntax for merging a tagged commit onto another branch. I'm guessing that it's straight forward but my feeble search attempts aren't finding it.
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Loop through each row of a range in Excel
This is one of those things that I'm sure there's a built-in function for (and I may well have been told it in the past), but I'm scratching my head to remember it.
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Java: What is the difference between and ?
I am unable to understand the following text... Does it mean that <clinit> is for empty constructors? Why is important to have two different versions?
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Web Application Problems (web.config errors) HTTP 500.19 with IIS7.5 and ASP.NET v2
...ust be some simple mis-configured part of IIS or our Web Server, but every time we try to run out ASP.NET Web Application on IIS 7.5 we get the following error...
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The name 'ConfigurationManager' does not exist in the current context
...ave to use the full name (System.Configuration.ConfigurationManager) every time. But if you don't add the reference, that namespace/class will not be found anywhere.
Note that a DLL can have any namespace, so the file System.Configuration.dll could, in theory, have the namespace Some.Random.Name. F...
Running Windows batch file commands asynchronously
...events the command from being echoed to the console. In batch scripts, sometimes you'll see echo off at the beginning which, when you execute the script, will prevent all the commands from being echoed to the console. The @ is similar but just for that single command. So, sometimes you'll see @echo ...
Where in an Eclipse workspace is the list of projects stored?
I use Eclipse with "external" projects - i.e. projects created from existing source.
6 Answers
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