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Regular expression for matching HH:MM time format
... a regexp for matching time in HH:MM format. Here's what I have, and it works:
19 Answers
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How to get file creation & modification date/times in Python?
...a file's ctime (documented at https://msdn.microsoft.com/en-us/library/14h5k7ff.aspx) stores its creation date. You can access this in Python through os.path.getctime() or the .st_ctime attribute of the result of a call to os.stat(). This won't work on Unix, where the ctime is the last time that the...
Adding iOS UITableView HeaderView (not section header)
I want to add a table header (not section headers) like in the contacts app for example:
5 Answers
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How should I use try-with-resources with JDBC?
...sing ; at the end of the resource list. The advantage of using two try blocks is that all of your code is present up front so you don't have to refer to a separate method:
public List<User> getUser(int userId) {
String sql = "SELECT id, username FROM users WHERE id = ?";
List<User&...
Eclipse: Set maximum line length for auto formatting?
I am working with Java. If I hit Ctrl + Shift + F in Eclipse Helios, it will auto format my code. At a certain point, it wraps lines. I would like to increase the maximum line length. How can I do this?
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Does a method's signature in Java include its return type?
...aram) {}
public char myMethod(int param) {}
}
No, the compiler won't know the difference, as their signature: myMethod(int param) is the same. The second line:
public char myMethod(int param) {}
will give you can error: method is already defined in class, which further confirms the abov...
Using bitwise OR 0 to floor a number
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How does it work? Our theory was that using such an operator casts the
number to an integer, thus removing the fractional part
All bitwise operations except unsigned right shift, >>>, work on signed 32-bit integers. So using bi...
Difference between Arrays.asList(array) and new ArrayList(Arrays.asList(array))
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First, let's see what this does:
Arrays.asList(ia)
It takes an array ia and creates a wrapper that implements List<Integer>, which makes the original array available as a list. Nothing is copied and all, only a single wrapper object is created. Operations on the list wrapper...
Get characters after last / in url
I want to get the characters after the last / in an url like http://www.vimeo.com/1234567
8 Answers
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The command rbenv install is missing
...s available in the Ports Collection, it can be install both as a binary package or build from the port:
# Using pkgng rbenv will be installed
pkg install ruby-build
# Building ruby-build form Ports will install rbenv only if the RBENV option is set
cd /usr/ports/devel/ruby-build
make install
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