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How to create GUID / UUID?
... are identifiers designed to provide certain uniqueness guarantees.
While it is possible to implement an RFC-compliant UUIDs in a few lines of JS (E.g. see @broofa's answer, below) there are several common pitfalls:
Invalid id format (UUIDs must be of the form "xxxxxxxx-xxxx-Mxxx-Nxxx-xxxxxxxxxxx...
Why does the order in which libraries are linked sometimes cause errors in GCC?
...the history on this answer to get the more elaborate text, but I now think it's easier for the reader to see real command lines).
Common files shared by all below commands
$ cat a.cpp
extern int a;
int main() {
return a;
}
$ cat b.cpp
extern int b;
int a = b;
$ cat d.cpp
int b;
Linking to ...
Generate random numbers uniformly over an entire range
I need to generate random numbers within a specified interval, [max;min].
17 Answers
1...
How do I determine whether an array contains a particular value in Java?
I have a String[] with values like so:
29 Answers
29
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Conveniently Declaring Compile-Time Strings in C++
...rings during compile-time in C++ has several useful applications. Although it is possible to create compile-time strings in C++, the process is very cumbersome, as the string needs to be declared as a variadic sequence of characters, e.g.
...
How to create a directory in Java?
...
After ~7 year, I will update it to better approach which is suggested by Bozho.
new File("/path/directory").mkdirs();
Deprecated:
File theDir = new File("new folder");
// if the directory does not exist, create it
if (!theDir.exists()) {
System...
TypeLoadException says 'no implementation', but it is implemented
...ting class in another assembly, but you rebuild the implementing assembly without referencing the new version of the interface assembly.
In this case, DummyItem implements an interface from another assembly. The SetShort method was recently added to both the interface and the DummyItem - but the as...
Embedding Python in an iPhone app
So it's a new millennium; Apple has waved their hand; it's now legal to include a Python interpreter in an iPhone (App Store) app.
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Emacs mode for Stack Overflow's markdown
...er, an extension for Org-mode to handle Stack Overflow formatting? Ideally it should include all formatting options supported by the markdown syntax used in the Stack Overflow question/comment buffers.
...
CocoaPods Errors on Project Build
...ll cocoapods is even better. Most of the time sudo shouldn't be necessary with gems.
– PatrickNLT
Jun 3 '14 at 13:31
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