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How to change the background color of the options menu?
I'm trying to change the default color for the options menu which is white: I want a black background for every item on the options menu.
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Using global variables between files?
I'm bit confused about how the global variables work. I have a large project, with around 50 files, and I need to define global variables for all those files.
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Dynamic cell width of UICollectionView depending on label width
...or that label. I can resize label width depending on content width easily with sizeToFit. But I cannot make cell to fit label.
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Passing variable arguments to another function that accepts a variable argument list
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You can't do it directly; you have to create a function that takes a va_list:
#include <stdarg.h>
static void exampleV(int b, va_list args);
void exampleA(int a, int b, ...) // Renamed for consistency
{
va_list args;
d...
How can I create an object and add attributes to it?
...ynamic object (inside another object) in Python and then add attributes to it.
16 Answers
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Remove ActiveRecord in Rails 3
Now that Rails 3 beta is out, I thought I'd have a look at rewriting an app I have just started work on in Rails 3 beta, both to get a feel for it and get a bit of a head-start. The app uses MongoDB and MongoMapper for all of its models and therefore has no need for ActiveRecord. In the previous ver...
使用TokuMX配置Replica Set集群 - 大数据 & AI - 清泛网 - 专注C/C++及内核技术
...e，可加参数指定ip、端口，默认本机27017）
config={
"_id" : "ReplSetName",
"members" : [
{"_id" : 0, "host" : "172.16.88.97:27017",priority:2},
{"_id" : 1, "host" : "172.16.88.97:27018",priority:1},
{"_id" : 2, "host" : "172.16.88.97:27019",arbit...
How do I open links in Visual Studio in my web browser and not in Visual Studio?
...ever, when I do this, the link opens inside Visual Studio. How can I make it open in my web browser--in my case, Google Chrome?
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How to find out what group a given user has?
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This one shows the user's uid as well as all the groups (with their gids) they belong to
id userid
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Mocking python function based on input arguments
...ns is
what calls to the mock return. The side_effect function is called with
the same arguments as the mock. This allows you to vary the return
value of the call dynamically, based on the input:
>>> def side_effect(value):
... return value + 1
...
>>> m = MagicMock(side_...