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How do I exit the Vim editor?
...hort for :quitall)
:cq to quit without saving and make Vim return non-zero error (i.e. exit with error)
You can also exit Vim directly from "Normal mode" by typing ZZ to save and quit (same as :x) or ZQ to just quit (same as :q!). (Note that case is important here. ZZ and zz do not mean the same t...
Integrating Dropzone.js into existing HTML form with other fields
... console.log("Successfully uploaded :" + imgName);
},
error: function (file, response) {
file.previewElement.classList.add("dz-error");
}
});
});
Note : Disabling autoDiscover, otherwise Dropzone will try to attach twice
Blog Article : Dropzone js + A...
Differences and relationship between glActiveTexture and glBindTexture
...GL_TEXTURE_2D; attempting to bind it as GL_TEXTURE_1D will give rise to an error (while run-time).
Once the object is bound, its state can be changed. This is done via generic functions specific to that object. They too take a location that represents which object to modify.
In C/C++, this looks l...
Possible to iterate backwards through a foreach?
...NG please. Reverse() is a void[1] and so above example leads to a compile error. [1] msdn.microsoft.com/en-us/library/b0axc2h2(v=vs.110).aspx
– MickyD
Jan 3 '14 at 5:06
6
...
Creating C formatted strings (not printing them)
...;
if(0 > asprintf(&string, "Formatting a number: %d\n", 42)) return error;
log_out(string);
free(string);
This is the minimum effort you can get to construct the string in a secure fashion. The sprintf() code you gave in the question is deeply flawed:
There is no allocated memory behind t...
Conditional compilation and framework targets
...Symbols>true</DebugSymbols>
Visual Studio 2010 also threw up an error because of the semi-colons, claiming they are illegal characters. The error message gave me a hint as I could see the pre-built constants seperated by commas, eventually followed by my "illegal" semi-colon. After some r...
Test for non-zero length string in Bash: [ -n “$var” ] or [ “$var” ]
...lumn 1b), the variable content is seen as a string and not evaluated.
The errors in columns 3a and 5a are caused by the fact that the variable value includes a space and the variable is unquoted. Again, as shown in columns 3b and 5b, [[ evaluates the variable's contents as a string.
Correspondingl...
git-checkout older revision of a file under a new name
...
Hmm, with colon I see this error, so I thought that the colon was a mistake. Yes it seems like colon is the way to go, but how do I resolve this? prompt> git show HEAD^:main.cpp fatal: ambiguous argument 'HEAD^:main.cpp': unknown revision or path n...
Can I use Objective-C blocks as properties?
...al places use a type def
typedef void(^MyCompletionBlock)(BOOL success, NSError *error);
@property (nonatomic) MyCompletionBlock completion;
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Why doesn't Dictionary have AddRange?
...of the collection is left unchanged. As AddRange can fail due to duplicate errors, the way to keep its behavior consistent with Add would be to also make it atomic by throwing an exception on any duplicate, and leave the state of the original dictionary as unchanged.
As an API consumer, it would be...