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What is a NullReferenceException, and how do I fix it?
... will be raised in the case of early-created controls with event handlers, etc. , that fire during InitializeComponent which reference late-created controls.
For example:
<Grid>
<!-- Combobox declared first -->
<ComboBox Name="comboBox1"
Margin="10"
...
Why can't C compilers rearrange struct members to eliminate alignment padding? [duplicate]
...constant folding, transformation of a switch statement into binary search, etc. Thus the benefits to be gained by allowing the compiler to optimize data structures appear to be less tangible than traditional compiler optimizations.
...
Using vagrant to run virtual machines with desktop environment
...ant user. To do this you need to permit anyone to start the GUI: sudo vim /etc/X11/Xwrapper.config and edit it to allowed_users=anybody.
Next, install the VirtualBox guest tools before starting the GUI. This will give you a healthy screen resolution, integrated mouse, etc.
$ sudo apt-get install -y ...
CURL alternative in Python
...amp; POST requests.
If you need to use other HTTP verbs like DELETE, PUT, etc you'll probably want to take a look at PYCURL
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Timer function to provide time in nano seconds using C++
...u are measuring code involving sleep, mutex lock, condition_variable wait, etc, the rdtsc clock is likely to have inaccurate conversions to other units. It is a good idea to set your measurements up so that you can easily change and compare clocks (as shown in this answer).
– ...
Differences between Ant and Maven [closed]
...tory", "Put the results in target/classses", "Create a JAR from the ....", etc. Where Ant had to be explicit about the process, there was something "built-in" to Maven that just knew where the source code was and how it should be processed.
High-level Comparison
The differences between Ant and Ma...
Is 'switch' faster than 'if'?
...s that correct? If so, isn't that usually slower due to more difficult prefetching/pipelining?
– user541686
Jul 24 '11 at 5:12
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How do you clear the SQL Server transaction log?
...based on the current time (but you can also do this with maintenance plans etc., just don't choose any of the shrink options in maintenance plans, they're awful).
DECLARE @path NVARCHAR(255) = N'\\backup_share\log\testdb_'
+ CONVERT(CHAR(8), GETDATE(), 112) + '_'
+ REPLACE(CONVERT(CHAR(8), GET...
Detect when browser receives file download
...alue to the token's value.
Client source code (JavaScript):
function getCookie( name ) {
var parts = document.cookie.split(name + "=");
if (parts.length == 2) return parts.pop().split(";").shift();
}
function expireCookie( cName ) {
document.cookie =
encodeURIComponent(cName) ...
How to tell Eclipse Workspace?
...s seems the least painful one - no modded start up script, no menu checks, etc. Then again it should be simple to write a small plugin to tweak the window title to show the workspace folder name unless it is set in the above mentioned preference. Fortunately, my workspaces aren't that dynamic; for o...