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converting a base 64 string to an image and saving it
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}
return image;
}
It is possible to get an exception A generic error occurred in GDI+. when the bytes represent a bitmap. If this is happening save the image before disposing the memory stream (while still inside the using statement).
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Using Emacs as an IDE
...n just M-x compile and use the default. Emacs will capture C/C++ compiler errors (works best with GCC) and help you navigate to lines with warnings or errors.
Debugging - similarly, when you want to debug, type M-x gdb and it will create a gdb buffer with special bindings
Documentation Lookup - ema...
How is “=default” different from “{}” for default constructor and destructor?
...ble type. I.e. if you try to destruct a Widget, you'll get a compile-time error. But if you don't, you've got a working program.
Otoh, if you supply the user-provided destructor, then things won't compile whether or not you destruct a Widget:
test.cpp:8:7: error: field of type 'A' has private de...
Should I use an exception specifier in C++?
...tack-trace, than to silently/violently die.
Write code that returns common errors and throws on exceptional occasions.
Error e = open( "bla.txt" );
if( e == FileNotFound )
MessageUser( "File bla.txt not found" );
if( e == AccessDenied )
MessageUser( "Failed to open bla.txt, because we don't...
Can I mask an input text in a bat file?
... far :-). But the VBScript doesn't work for me: Microsoft VBScript runtime error: ActiveX component can't create object: 'ScriptPW.Password'. Windows 7 Beta x64 here.
– Joey
Mar 20 '09 at 9:14
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Fast Bitmap Blur For Android SDK
... encountered the same problem.Found out why yet? "g[yi] = dv[gsum];" -->error :java.lang.ArrayIndexOutOfBoundsException: length=112896; index=114021
– see2851
Sep 28 '14 at 4:42
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GDB missing in OS X v10.9 (Mavericks)
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This did not work for me on Maverics. Homebrew gave me an error and there seems to be quite a few open issues with the install.
– Dan Bradbury
Jan 10 '14 at 22:06
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#pragma once vs include guards? [duplicate]
...e compiler deal with #pragma once will yield faster compiles and is less error prone when copying and pasting. It is also slightly less ugly ;)
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Are static class variables possible in Python?
... the value of the class attribute using x instance
assert x.i == Test.i # ERROR
assert Test.i == 3 # Test.i was not affected
assert x.i == 12 # x.i is a different object than Test.i
This is because the line x.i = 12 has added a new instance attribute i to x instead of changing the value o...
JavaScript: Class.method vs. Class.prototype.method
...ampleClass();
someInstance.method('Called from instance');
// >> error! `someInstance.method is not a function`
With same code, if .prototype is added,
ExampleClass.prototype.method = function(customString){
console.log((customString !== undefined)?
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