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Is there a Python equivalent of the C# null-coalescing operator?
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I get that people want to explain if else sytnax etc, but coalesce takes an arbitrary argument list so this should really be the top answer.
– Eric Twilegar
Jul 3 '14 at 5:02
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How to determine CPU and memory consumption from inside a process?
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#include "psapi.h"
PROCESS_MEMORY_COUNTERS_EX pmc;
GetProcessMemoryInfo(GetCurrentProcess(), (PROCESS_MEMORY_COUNTERS*)&pmc, sizeof(pmc));
SIZE_T virtualMemUsedByMe = pmc.PrivateUsage;
Total Physical Memory (RAM):
Same code as in "Total Virtual Memory" and then
DWORDLONG totalPhysMem =...
After Installing Java JDK 7 For Mac OS X - mvn -version still shows java version 1.6.0_31
...at I read use:
echo JAVA_HOME=/usr/libexec/java_home -v 1.7 | sudo tee -a /etc/mavenrc
and now:
Maven home: /usr/local/Cellar/maven/3.1.1/libexec
Java version: 1.7.0_45, vendor: Oracle Corporation
Java home: /Library/Java/JavaVirtualMachines/jdk1.7.0_45.jdk/Contents/Home/jre
Default locale: en_US,...
M_PI works with math.h but not with cmath in Visual Studio
... so that you can include it again with that define now changed to add M_PI etc. This is NOT the case with cmath. So you need to make sure you #define _USE_MATH_DEFINES before you include anything else. Hope that clears it up for you :)
Failing that just include math.h you are using non-standard C/...
What is the meaning of single and double underscore before an object name?
... the Python world.
There's no difference between class, variable, global, etc in these conventions.
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What are the correct version numbers for C#?
...anguage features, not framework features. Note the lack of mentioning WPF, etc.
– Jon Skeet
Mar 25 '14 at 11:52
3
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ON_COMMAND_RANGE 用法 - C/C++ - 清泛网 - 专注C/C++及内核技术
ON_COMMAND_RANGE 用法申明消息宏 + 回调函数模型，其他没什么好解释的。BEGIN_MESSAGE_MAP(CxxDialog, CDialog)
ON_COMMAND_RANGE(IDC_BUTTON_1, IDC_BUTTON_ALL, OnButtonClick)
END_MESSAGE_MAP()
afx_msg void OnButtonClick(UINT nID);ON_COMMAND_RANGE, MFC
How to set ViewBag properties for all Views without using a base class for Controllers?
...= MembershipService.IsAdmin;
var userProfile = MembershipService.GetCurrentUserProfile();
if (userProfile != null)
{
filterContext.Controller.ViewBag.Avatar = userProfile.Picture;
}
}
}
register your custom class in the global. asax (Application_Sta...
How to manage client-side JavaScript dependencies? [closed]
...2 at 9:52
Chandra Sekhar WalajapetChandra Sekhar Walajapet
2,4841414 silver badges2323 bronze badges
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Flask-SQLAlchemy import/context issue
...__)
db.init_app(app)
app.register_blueprint(reporting)
Note: this is a sketch of some of the power this gives you - there is obviously quite a bit more that you can do to make development even easier (using a create_app pattern, auto-registering blueprints in certain folders, etc.)
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