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Cross-thread operation not valid: Control 'textBox1' accessed from a thread other than the thread it
...o send temperature value from a microcontroller using UART to C# interface and Display temperature on Label.Content . Here is my microcontroller code:
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What's the difference between setWebViewClient vs. setWebChromeClient?
...at's the difference between setWebViewClient vs. setWebChromeClient in Android?
4 Answers
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Does Python have a ternary conditional operator?
...rst condition is evaluated, then exactly one of either a or b is evaluated and returned based on the Boolean value of condition. If condition evaluates to True, then a is evaluated and returned but b is ignored, or else when b is evaluated and returned but a is ignored.
This allows short-circuiting ...
How do I find all of the symlinks in a directory tree?
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This will recursively traverse the /path/to/folder directory and list only the symbolic links:
ls -lR /path/to/folder | grep ^l
If your intention is to follow the symbolic links too, you should use your find command but you should include the -L option; in fact the find man page say...
Get Folder Size from Windows Command Line
Is it possible in Windows to get a folder's size from the command line without using any 3rd party tool?
17 Answers
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Easily measure elapsed time
... To run this you have to add the #include <chrono> directive and I would change the reporting time as: std::cout << "Time difference (sec) = " << (std::chrono::duration_cast<std::chrono::microseconds>(end - begin).count()) /1000000.0 <<std::endl; (and do not f...
MetadataException: Unable to load the specified metadata resource
...string in App.Config looks correct - hasn't changed since last it worked - and I've tried regenerating a new model (edmx-file) from the underlying database with no change.
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Unicode (UTF-8) reading and writing to files in Python
I'm having some brain failure in understanding reading and writing text to a file (Python 2.4).
14 Answers
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Standard alternative to GCC's ##__VA_ARGS__ trick?
...preprocessor features; you must use some extension to the language. clang and icc have adopted this GCC extension, but MSVC has not.
Back in 2001 I wrote up the GCC extension for standardization (and the related extension that lets you use a name other than __VA_ARGS__ for the rest-parameter) in ...
Is it true that one should not use NSLog() on production code?
...with better functionality. Here's the one I use, it includes the file name and line number to make it easier to track down log statements.
#define DEBUG_MODE
#ifdef DEBUG_MODE
#define DebugLog( s, ... ) NSLog( @"<%p %@:(%d)> %@", self, [[NSString stringWithUTF8String:__FILE__] lastPathCo...