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How do I execute a command and get the output of the command within C++ using POSIX?
...use the C stdio API, I prefer the iostreams API. popen requires you to manually clean up the FILE handle, pstreams do that automatically. popen only accepts a const char* for the argument, which requires care to avoid shell injection attacks, pstreams allows you to pass a vector of strings similar t...
Official reasons for “Software caused connection abort: socket write error”
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@rustyx All three sources cited here state that it is produced by ACK failures. If you have a source for your own claim please cite it.
– Marquis of Lorne
May 27 '15 at 5:52
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Receiving “fatal: Not a git repository” when attempting to remote add a Git repo
...s step, but had to do it again after setting up my engine yard account installing engine yard.
– AVProgrammer
Feb 6 '12 at 1:04
3
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How to implement common bash idioms in Python? [closed]
...y shell has several sets of features.
The Essential Linux/Unix commands. All of these are available through the subprocess library. This isn't always the best first choice for doing all external commands. Look also at shutil for some commands that are separate Linux commands, but you could proba...
How do I display the current value of an Android Preference in the Preference summary?
...ic solution, if that suits your needs.
For example, if you want to generically have all list preferences show their choice as summary, you could have this for your onSharedPreferenceChanged implementation:
public void onSharedPreferenceChanged(SharedPreferences sharedPreferences, String key) {
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javac is not recognized as an internal or external command, operable program or batch file [closed]
...nal or external command... error message.
In a nutshell, you have not installed Java correctly. Finalizing the installation of Java on Windows requires some manual steps. You must always perform these steps after installing Java, including after upgrading the JDK.
Environment variables and PATH
(...
When should the volatile keyword be used in C#?
...ors and making
them synchronize main memory with their caches".
Actually, that last bit is a lie. The true semantics of volatile reads
and writes are considerably more complex than I've outlined here; in
fact they do not actually guarantee that every processor stops what it
is doing and...
How can I convert an image into a Base64 string?
...You can use the Base64 Android class:
String encodedImage = Base64.encodeToString(byteArrayImage, Base64.DEFAULT);
You'll have to convert your image into a byte array though. Here's an example:
Bitmap bm = BitmapFactory.decodeFile("/path/to/image.jpg");
ByteArrayOutputStream baos = new ByteArray...
Can not connect to local PostgreSQL
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This really looks like a file permissions error. Unix domain sockets are files and have user permissions just like any other. It looks as though the OSX user attempting to access the database does not have file permissions to acce...
Objective-C categories in static library
...roject as direct dependency (target -> general -> direct dependencies) and all works OK, but categories. A category defined in static library is not working in app.
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