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When should one use a spinlock instead of mutex?
... also note that on certain environments and conditions (such as running on windows on dispatch level >= DISPATCH LEVEL), you cannot use mutex but rather spinlock.
On unix - same thing.
Here is equivalent question on competitor stackexchange unix site:
https://unix.stackexchange.com/questions/510...
Setting the default Java character encoding
... I was scratching my head cause that command was not working on Windows, linux and mac perfectly... then i put " around the value like this: java -D"file.encoding=UTF-8" -jar
– cabaji99
Sep 22 '17 at 15:35
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How can I check file size in Python?
I am writing a Python script in Windows. I want to do something based on the file size. For example, if the size is greater than 0, I will send an email to somebody, otherwise continue to other things.
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How to exit in Node.js
...
If you're in a Unix terminal or Windows command line and want to exit the Node REPL, either...
Press Ctrl + C twice, or
type .exit and press Enter, or
press Ctrl + D at the start of a line (Unix only)
...
Rename package in Android Studio
... project and secondly appdebug was using old package name( visible in run window of studio) added applicationId "com.packagename" in app build.gradle defaultconfig ..
– baboo
Sep 11 '14 at 10:39
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iOS JavaScript bridge
...
This is unfortunately slightly more complex, because there isn't the same windowScriptObject property (and class) that exists on Mac OSX allowing complete communication between the two.
However, you can easily call from javascript custom-made URLs, like:
window.location = yourscheme://callfunctio...
How do I show/hide a UIBarButtonItem?
...ide/show one of the buttons depending on the state of the data in the main window.
37 Answers
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ZMQ: 基本原理 - 开源 & Github - 清泛网 - 专注C++内核技术
... window._bd_share_config={"common":{"bdSnsKey":{},"bdText":"","bdMini":"2","bdMiniList":false,"bdPic":"","bdSize":"16"},"share":{}};with(document)0[(getElementsByTagName('head')[0]||body).appendChild(createElement('script')).s...
See line breaks and carriage returns in editor
...use I mostly work in Unix environment. But I would like to be warned about Windows type line endings if there is any in the file. Will vi -b filename or :set binary just show ^M if it is a windows type file and no other line endings otherwise?
– alpha_989
May 2...
Completely uninstall PostgreSQL 9.0.4 from Mac OSX Lion?
...ve the EnterpriseDB One-Click install of PostgreSQL 9.1:
Open a terminal window. Terminal is found in: Applications->Utilities->Terminal
Run the uninstaller:
sudo /Library/PostgreSQL/9.1/uninstall-postgresql.app/Contents/MacOS/installbuilder.sh
If you installed with the Postgres Installer...