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Implement touch using Python?

touch is a Unix utility that sets the modification and access times of files to the current time of day. If the file doesn't exist, it is created with default permissions. ...
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How to convert timestamps to dates in Bash?

I need a shell command or script that converts a Unix timestamp to a date. The input can come either from the first parameter or from stdin, allowing for the following usage patterns: ...
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In CSS what is the difference between “.” and “#” when declaring a set of styles?

What is the difference between # and . when declaring a set of styles for an element and what are the semantics that come into play when deciding which one to use? ...
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Get the correct week number of a given date

I have Googled a lot and found a lot of solutions, but none of them give me the correct week number for the 2012-12-31. Even the example on MSDN ( link ) fails. ...
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Remove unused references (!= “using”)

How can I find and delete unused references in my projects? 11 Answers 11 ...
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onActivityResult is not being called in Fragment

...ityResult(), but it did not make a call to super.onActivityResult() for unhandled result codes. Apparently, even though the fragment is the one making the startActivityForResult() call, the activity gets the first shot at handling the result. This makes sense when you consider the modularity of frag...
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Hibernate lazy-load application design

I tend to use Hibernate in combination with Spring framework and it's declarative transaction demarcation capabilities (e.g., @Transactional ). ...
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Git: Recover deleted (remote) branch

...ull --no-reflogs | grep commit to find the HEAD commit of deleted branch and get them back. share | improve this answer | follow | ...
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How to style the parent element when hovering a child element?

... Well, this question is asked many times before, and the short typical answer is: It cannot be done by pure CSS. It's in the name: Cascading Style Sheets only supports styling in cascading direction, not up. But in most circumstances where this effect is wished, like in th...
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What are .dex files in Android?

...remarkable features of the Dalvik Virtual Machine (the workhorse under the Android system) is that it does not use Java bytecode. Instead, a homegrown format called DEX was introduced and not even the bytecode instructions are the same as Java bytecode instructions. Compiled Android application co...