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What does “for” attribute do in HTML tag?
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The <label> tag allows you to click on the label, and it will be treated like clicking on the associated input element. There are two ways to create this association:
One way is to wrap the label element around the input element:
<label...
How to prepend a string to a column value in MySQL?
I need a SQL update statement for updating a particular field of all the rows with a string "test" to be added in the front of the existing value.
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is there a post render callback for Angular JS directive?
...s not a result of Angular but rather the browser. $timeout(fn) ultimately calls setTimeout(fn, 0) which has the effect interrupting the Javascript execution and allowing the browser to render the content first, before continuing the execution of that Javascript.
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What is the “assert” function?
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assert will terminate the program (usually with a message quoting the assert statement) if its argument turns out to be false. It's commonly used during debugging to make the program fail more obviously if an unexpected condition occurs.
For example:
assert(len...
What's the difference between Perl's backticks, system, and exec?
...It never returns true, because if the command is found it never returns at all.
There is also no point in returning STDOUT, STDERR or exit status of the command.
You can find documentation about it in perlfunc,
because it is a function.
system
executes a command and your Perl script is con...
How to create a shared library with cmake?
...le, but now I want to switch to cmake. The tree looks like this (I removed all the irrelevant files):
4 Answers
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Passing command line arguments from Maven as properties in pom.xml
... </activation>
<properties>
<build_os>linux</build_os>
<build_ws>gtk</build_ws>
<build_arch>x86_64</build_arch>
</properties>
</profile>
<profile>
<id>wi...
Placeholder in IE9
It seems it's a very well known problem but all the solutions I found on Google don't work on my newly downloaded IE9.
11 A...
SQL Server 2008 can't login with newly created user
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SQL Server was not configured to allow mixed authentication.
Here are steps to fix:
Right-click on SQL Server instance at root of Object Explorer, click on Properties
Select Security from the left pane.
Select the SQL Server and Windows Authentication m...
How do I create a custom iOS view class and instantiate multiple copies of it (in IB)?
... am currently making an app that will have multiple timers, which are basically all the same.
4 Answers
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