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What is the correct way to create a single-instance WPF application?
...a 'Mutex' is a system object that is available to other processes, you typically want the name to be unique so it doesn't clash with other 'Mutex' names on the same system. In the article, the cryptic-looking string is a 'Guid'. You can generate this programmatically by calling System.Guid.NewGuid...
Detecting an undefined object property
...@Zack Your tests for isNullorUndefined did not consider the case where you call isNullOrUndefined(f) and f is undeclared (i.e. where there is no "var f" declaration).
– pnkfelix
Feb 15 '13 at 15:08
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What exactly are “spin-locks”?
... useful to be performed jointly, are otherwise unrelated concepts. you basically want to be sure that you are not using a resource found in an inconsistent state, and this is why you test its lock. disabling interrupts (also preemption) ensures that yes, nobody will mess with your resurce while you ...
How do I include a file over 2 directories back?
...or two directories back, use '../../file'.
And so on.
Although, realistically you shouldn't be performing includes relative to the current directory. What if you wanted to move that file? All of the links would break. A way to ensure that you can still link to other files, while retaining those...
Could not load file or assembly 'Newtonsoft.Json' or one of its dependencies. Manifest definition do
...following from my web.config:
<dependentAssembly>
<assemblyIdentity name="Newtonsoft.Json" publicKeyToken="30ad4fe6b2a6aeed" culture="neutral" />
<bindingRedirect oldVersion="0.0.0.0-6.0.0.0" newVersion="6.0.0.0" />
</dependentAssembly>
If you want to ensure al...
Locking pattern for proper use of .NET MemoryCache
...get one instance of the Lazy object, and so you're also guaranteed to only call the expensive initialization method once.
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How to pause / sleep thread or process in Android?
...) method. Some Google training materials suggest the same solution.
@Override
public void onClick(View v) {
my_button.setBackgroundResource(R.drawable.icon);
Handler handler = new Handler();
handler.postDelayed(new Runnable() {
@Override
public void run() {
...
Where is the itoa function in Linux?
...does not include itoa(), like several other platforms, due to it not technically being a part of the standard. See here for a little more info. Note that you have to
#include <stdlib.h>
Of course you already know this, because you wanted to use itoa() on Linux after presumably using it o...
Importing from builtin library when module with same name exists
Situation:
- There is a module in my project_folder called calendar
- I would like to use the built-in Calendar class from the Python libraries
- When I use from calendar import Calendar it complains because it's trying to load from my module.
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How do I print to the debug output window in a Win32 app?
...Str. Is it char*, wchar_t* or LPTSTR? Assuming that it is char* you simply call OutputDebugStringA(myStr) or use OutputDebugStringW with wchar_t* and OutputDebugString with LPTSTR as explained in my answer.
– Martin Liversage
May 22 '13 at 8:44
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