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unable to install pg gem
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Answered here:
Can't install pg gem on Windows
There is no Windows native version of
latest release of pg (0.10.0) released
yesterday, but if you install 0.9.0 it
should install binaries without
issues.
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MFC OnEraseBkgnd浅析 - C/C++ - 清泛网 - 专注C/C++及内核技术
...的view。然后在Class Info选项卡中，将Message Filter设为Child Window。重新切换到Message Map选项卡，在Messages中找到WM_ERASEBKGND，双击就添加成功了。点击右边的Edit Code，将函数体改为return TRUE，搞定。这种方法不需要记忆，简单省事，强...
Find a class somewhere inside dozens of JAR files?
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Unix
On Linux, other Unix variants, Git Bash on Windows, or Cygwin, use the jar (or unzip -v), grep, and find commands.
The following lists all class files that match a given name:
for i in *.jar; do jar -tvf "$i" | grep -Hsi ClassName && echo "$i"; done
If you...
Token Authentication vs. Cookies
...are localStorage (con: the token is persisted even after you close browser window), sessionStorage (pro: the token is discarded after you close browser window, con: opening a link in a new tab will render that tab anonymous) and cookies (Pro: the token is discarded after you close the browser window...
How do I parse a URL query parameters, in Javascript? [duplicate]
...ething like this:
var regex = /[?&]([^=#]+)=([^&#]*)/g,
url = window.location.href,
params = {},
match;
while(match = regex.exec(url)) {
params[match[1]] = match[2];
}
The regular expression could quite likely be improved. It simply looks for name-value pairs, separated by...
What are the best practices for using Assembly Attributes?
...mbly: AssemblyTrademark("Company")]
//This shows up as Product Version in Windows Explorer
//We make this the same for all files in a particular product version. And increment it globally for all projects.
//We then use this as the Product Version in installers as well (for example built using Wix)...
Maximum number of threads in a .NET app?
...depends on resources (memory).
Although Raymond's article is dedicated to Windows threads, not to C# threads, the logic applies the same (C# threads are mapped to Windows threads).
However, as we are in C#, if we want to be completely precise, we need to distinguish between "started" and "non star...
Xcode Simulator: how to remove older unneeded devices?
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In Xcode 6+ you can simply go to Menu > Window > Devices > Simulators and delete a simulator you don't need.
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Staging Deleted files
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the $() notation aparently doesn't exist in windows bash console, leading to unknown option `deleted)
– Félix Gagnon-Grenier
Feb 15 '16 at 19:05
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What is the difference between user variables and system variables?
..., then new, the type in value. Look on another computer with same version windows.
Usually it is in windows 10: Path %USERPROFILE%\AppData\Local\Microsoft\WindowsApps;
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