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How can I generate a unique ID in Python? [duplicate]
...st a sequence generator. Statistically unique IDs typically are generated from random data; at least one class of UUIDs works that way.
– Glenn Maynard
Jul 31 '09 at 4:38
1
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How do you add Boost libraries in CMakeLists.txt?
...
Put this in your CMakeLists.txt file (change any options from OFF to ON if you want):
set(Boost_USE_STATIC_LIBS OFF)
set(Boost_USE_MULTITHREADED ON)
set(Boost_USE_STATIC_RUNTIME OFF)
find_package(Boost 1.45.0 COMPONENTS *boost libraries here*)
if(Boost_FOUND)
include_dir...
cd into directory without having permission
...ou do).
If it is someone else's directory, you'll probably need some help from the owner to change the permissions so that you can access it (or you'll need help from root to change the permissions for you).
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How to initialize a private static const map in C++?
...lass::myMap = {
{1, 2},
{3, 4},
{5, 6}
};
See also this section from Professional C++, on unordered_maps.
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HorizontalScrollView within ScrollView Touch Handling
...of current X coordinate and lastX, if it is larger than 0, touch is moving from left to right, otherwise right to left. And then you save the current X as lastX for next calculation.
– neevek
Aug 23 '12 at 1:25
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How to initialize private static members in C++?
...pp file.
include guards (which I agree you should always use) protect you from something different: the same header being indirectly #included multiple times while compiling a single .cpp file
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Is there a way to check if int is legal enum in C#?
...peof(MyEnum), value))
MyEnum a = (MyEnum)value;
This is the example from that page:
using System;
[Flags] public enum PetType
{
None = 0, Dog = 1, Cat = 2, Rodent = 4, Bird = 8, Reptile = 16, Other = 32
};
public class Example
{
public static void Main()
{
object value; ...
What is the difference between g++ and gcc?
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From this answer, I conclude that effectively g++ command is just gcc with a bunch of flags .. Why then, there are two different binaries(of approximately the same size ) for gcc and g++ in linux ?. Shouldn't we have just ...
How do I reset the scale/zoom of a web app on an orientation change on the iPhone?
... I noticed that all of these methods seem to prevent media-query based CSS from registering the new device width properly (ex: @media all and (max-width: 479px)
– mheavers
Aug 23 '11 at 20:26
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How to insert element into arrays at specific position?
... two arrays to implement its hash table + ordered list. Here's an article from one of the core PHP devs (Nikic): nikic.github.io/2014/12/22/…
– CubicleSoft
Oct 18 '19 at 11:43
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