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Why can't the C# constructor infer type?
... maintain backwards compatibility a ctor on a non-generic type must always win.
Is there a practical reason why the constructor can't support type inference?
Yes. Even if the benefit of the feature outweighs its costs -- which are considerable -- that's not sufficient to have a feature impleme...
Automatically start a Windows Service on install
I have a Windows Service which I install using the InstallUtil.exe. Even though I have set the Startup Method to Automatic, the service does not start when installed, I have to manually open the services and click start. Is there a way to start it either via the command line, or through the code of ...
How to get the CPU Usage in C#?
... (@"\\"+ selectedServer +@"\root\CIMV2",
"SELECT * FROM Win32_PerfFormattedData_PerfOS_Processor WHERE Name=\"_Total\"");
ManagementObjectCollection collection = searcher.Get();
ManagementObject queryObj = collection.Cast<ManagementObject>().First();
...
How to swap the buffers in 2 windows emacs
I am using emacs I find that sometimes I have 2 files separated into 2 windows.
8 Answers
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How to use Boost in Visual Studio 2010
...is.
Run: bootstrap.bat to build b2.exe (previously named bjam).
Run b2:
Win32: b2 --toolset=msvc-10.0 --build-type=complete stage ;
x64: b2 --toolset=msvc-10.0 --build-type=complete architecture=x86 address-model=64 stage
Go for a walk / watch a movie or 2 / ....
Go through steps 2 - 6...
搭建高可用mongodb集群（四）—— 分片 - 大数据 & AI - 清泛网 - 专注C/C++及内核技术
...单台服务器，用 db.runCommand( { addshard : “[: ]” } )这样的命令加入，如果shard是副本集，用db.runCommand( { addshard : “replicaSetName/[:port][,serverhostname2[:port],…]” });这样的格式表示 。
#串联路由服务器与分配副本集2
db.runCommand( { add...
ValueError: numpy.dtype has the wrong size, try recompiling
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In my case, I had installed pandas-0.10.0.win-amd64-py2.7 but was checking to see if a bug had been fixed in a more recent version of pandas. So I did an easy_install -U to force the upgrade, but then got the above error due to some incompatibilities with numpy etc....
Clear file cache to repeat performance testing
...s RAMMap app.
The Empty / Empty Standby List menu option will clear the Windows file cache.
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Call int() function on every list element?
...2.7.13:a06454b1afa1, Dec 17 2016, 20:42:59) [MSC v.1500 32 bit (Intel)] on win32
Type "copyright", "credits" or "license()" for more information.
>>> import timeit
>>> setup = """import random
random.seed(10)
l = [str(random.randint(0, 99)) for i in range(100)]"""
>>> time...
How to install psycopg2 with “pip” on Python?
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Note: Since a while back, there are binary wheels for Windows in PyPI, so this should no longer be an issue for Windows users. Below are solutions for Linux, Mac users, since lots of them find this post through web searches.
Option 1
Install the psycopg2-binary PyPI package ...