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How do I trim leading/trailing whitespace in a standard way?
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164
If you can modify the string:
// Note: This function returns a pointer to a substring of the o...
Capturing URL parameters in request.GET
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What about class based views?
– User
Apr 23 '15 at 21:37
10
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Debugging with command-line parameters in Visual Studio
...s mentioned above didn't work. Solution was changing platform from x86 to x64 since I am working on a 64bit machine.
– hfrmobile
Mar 6 at 8:18
add a comment
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How to check type of files without extensions in python?
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There are Python libraries that can recognize files based on their content (usually a header / magic number) and that don't rely on the file name or extension.
If you're addressing many different file types, you can use python-magic. That's just a Python binding for the well...
What is the Swift equivalent to Objective-C's “@synchronized”?
...ct inside of swift for this yet.
I did make up this small helper function based on some of the code I've seen from Matt Bridges and others.
func synced(_ lock: Any, closure: () -> ()) {
objc_sync_enter(lock)
closure()
objc_sync_exit(lock)
}
Usage is pretty straight forward
synced...
Unresolved external symbol in object files
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I had an error where my project was compiled as x64 project. and I've used a Library that was compiled as x86.
I've recompiled the library as x64 and it solved it.
share
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Is volatile expensive?
...zed block. Entering a synchronized block requires an atomic compareAndSet based write to take out the lock and a volatile write to release it. If the lock is contented then control has to pass from user space to kernel space to arbitrate the lock (this is the expensive bit). Accessing a volatile ...
How to detect the OS from a Bash script?
...lls (such as Bourne shell).
uname
Another method is to detect platform based on uname command.
See the following script (ready to include in .bashrc):
# Detect the platform (similar to $OSTYPE)
OS="`uname`"
case $OS in
'Linux')
OS='Linux'
alias ls='ls --color=auto'
;;
'FreeBSD'...
Regular expression to match URLs in Java
...EDIT: Code of Patterns from https://github.com/android/platform_frameworks_base/blob/master/core/java/android/util/Patterns.java :
/*
* Copyright (C) 2007 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in co...
How to find all serial devices (ttyS, ttyUSB, ..) on Linux without opening them?
...t access '/dev/serial/': No such file or directory Slackware 14.2 current x64
– jpka
Sep 11 '18 at 15:22
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