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Why is there no logical xor in JavaScript?
...; and || take all kinds of operands and return all kinds of funny results (whatever you feed into them).
Also a logical operator should always take the values of both operands into account.
In Javascript && and || take a lazy shortcut and do not evaluate the second operand in certain cases...
ASP.NET custom error page - Server.GetLastError() is null
...
A combination of what NailItDown and Victor said. The preferred/easiest way is to use your Global.Asax to store the error and then redirect to your custom error page.
Global.asax:
void Application_Error(object sender, EventArgs e)
{
...
How to convert an address into a Google Maps Link (NOT MAP)
...@Matt How's it flakey? Also, output=classic won't stay around forever, and what if the user prefers the new maps?
– Chris B
Feb 7 '14 at 15:00
2
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Sass combining parent using ampersand (&) with type selectors
...
}
}
Will compile to:
div#id > .element {
color: blue;
}
What if you need to join your tag to .element instead of #id?
There's a function in Sass called selector-unify() that solves this. Using this with @at-root it is possible to target .element.
#id > .element {
@at-root...
Search for executable files using find command
What type of parameter/flag can I use with the Unix find command so that I search executables?
10 Answers
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How to run a shell script on a Unix console or Mac terminal?
... contain a hashbang:
#! /usr/bin/env bash
The hashbang tells the kernel what program to run (in this case the command /usr/bin/env is ran with the argument bash). Then, the script is passed to the program (as second argument) along with all the arguments you gave the script as subsequent argumen...
Getting “Lock wait timeout exceeded; try restarting transaction” even though I'm not using a transac
...ons, it just makes them automatically commit at the end of the statement.
What is happening is, some other thread is holding a record lock on some record (you're updating every record in the table!) for too long, and your thread is being timed out.
You can see more details of the event by issuing ...
Not able to access adb in OS X through Terminal, “command not found”
... the profile file, then, re-start the terminal or run source ~/.bashrc (or whatever you just modified).
Note that setting ANDROID_HOME is required for some third party frameworks, so it does not hurt to add it.
share
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Add and Remove Views in Android Dynamically?
...deletes a field which consists of a TextView and an editTextView (from what I can see).
10 Answers
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How to add reference to System.Web.Optimization for MVC-3-converted-to-4 app
...e like an answer? I didn't even realise you were answering the question or what you were suggesting.
– TylerD87
Sep 4 '15 at 8:58
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