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Python subprocess.Popen “OSError: [Errno 12] Cannot allocate memory”
... that do not have this parent page tables etc. copy problem are vfork and posix_spawn. But if you do not feel like rewriting chunks of subprocess.Popen in terms of vfork/posix_spawn, consider using suprocess.Popen only once, at the beginning of your script (when Python's memory footprint is minimal...
WPF Application that only has a tray icon
...le library to good effect:
http://www.hardcodet.net/wpf-notifyicon (blog post)
https://bitbucket.org/hardcodet/notifyicon-wpf/src (source code)
https://www.nuget.org/packages/Hardcodet.NotifyIcon.Wpf/ (NuGet package)
http://visualstudiogallery.msdn.microsoft.com/aacbc77c-4ef6-456f-80b7-1f157c2909f7...
How to disable / enable dialog negative positive buttons?
...on the dialog and if the text field is empty I would like to disable the positiveButton . I can get a charListener for the text field but I am not sure how I am going to set the positivebutton to disable or enable from that listener? What is the reference for the positive and negative buttons?
...
AtomicInteger lazySet vs. set
...GCable. In such
cases, you can get better performance by avoiding
the costs of the null volatile-write. There are a few
other use cases along these lines for non-reference-based
atomics as well, so the method is supported across all of the
AtomicX classes.
For people who like to think...
Why is #!/usr/bin/env bash superior to #!/bin/bash?
...ual suggest using #!/bin/bash was wrong and bash functionality would be lost by doing so.
6 Answers
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What's the fastest way to delete a large folder in Windows?
...o I usually move the stuff I need to delete to C:\stufftodelete and have those del+rmdir commands in a deletestuff.bat batch file. This is scheduled to run at night, but sometimes I need to run it during the day so the quicker the better.
Technet documentation for del command can be found here. Ad...
What is a semaphore?
...hared resources - you can use them that way, but it may cause hard to diagnose bugs.
While mutexes and semaphores have some similarities in their implementation, they should always be used differently.
The most common (but nonetheless incorrect) answer to the question posed at the top is that mutex...
How to emulate GPS location in the Android Emulator?
...here.
To connect to the console open a command line and type
telnet localhost 5554
You then can use the geo command to set a latitude, longitude and if needed altitude on the device that is passed to all programs using the gps location provider. See the link above for further instructions.
The ...
Which, if any, C++ compilers do tail-recursion optimization?
..., 4.7 and 4.8 targeting various platforms) is enabled at levels -O2, -O3, -Os.
– FooF
Jan 10 '14 at 6:53
...
How to resolve “Waiting for Debugger” message?
...nce, mypro. you would right click on it in the "Package Explorer". Then choose "Debug as"-->"Android Application".
Then the emulator might stop at the "Waiting for connecting to debugger"(or something else similar to this).
Then you need to connect to the debugger yourself by click "DDMS" to o...