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WPF: Setting the Width (and Height) as a Percentage Value

...ignment="Stretch" ... That will make the Textbox element stretch horizontally and fill all the parent space horizontally (actually it depends on the parent panel you're using but should work for most cases). Percentages can only be used with grid cell values so another option is to create a grid ...
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Pinging servers in Python

...on 2 and Python 3 EDITS: By @radato os.system was replaced by subprocess.call. This avoids shell injection vulnerability in cases where your hostname string might not be validated. import platform # For getting the operating system name import subprocess # For executing a shell command def pi...
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What is a good Java library to zip/unzip files? [closed]

... zipFile.setPassword(password); } zipFile.extractAll(destination); } catch (ZipException e) { e.printStackTrace(); } } The Maven dependency is: <dependency> <groupId>net.lingala.zip4j</groupId> <artifactId>zip4j</artifac...
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How to check if the string is empty?

... s.strip() allocates a new string, which is pure waste. Use string.isspace() – Clément Jun 22 at 15:27 add a ...
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How can one print a size_t variable portably using the printf family?

...on is to cast your variables to unsigned long long and use %llu to be maximally portable. – Adam Rosenfield Apr 13 '10 at 1:52  |  show 12 mor...
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Encoding URL query parameters in Java

... URL or by Mr. Sindi in this thread. URIUtil of Apache httpclient is really useful, although there are some alternatives URIUtil.encodeQuery(url); For example, it encodes space as "+" instead of "%20" Both are perfectly valid in the right context. Although if you really preferred you cou...
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How can one check to see if a remote file exists using PHP?

...t I could find, an if fclose fopen type thing, makes the page load really slowly. 22 Answers ...
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How to run Conda?

I installed Anaconda and can run Python, so I assume that I installed it correctly. Following this introductory documentation , I am trying to install Python v3.3, so I am copying and pasting the following line into my console: ...
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How to determine whether a given Linux is 32 bit or 64 bit?

...wk '{print $2}' Note: you can have a 64-bit CPU with a 32-bit kernel installed. (as ysdx mentions in his/her own answer, "Nowadays, a system can be multiarch so it does not make sense anyway. You might want to find the default target of the compiler") ...
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What is trunk, branch and tag in Subversion? [duplicate]

...oduct, like having a place to backport bugfixes into a stable release. Finally, tags are markers to highlight notable revisions in the history of the repository, usually things like "this was released as 1.0". See the HTML version of "Version Control with Subversion", especially Chapter 4: Branchi...