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Remove unwanted parts from strings in a column
....
If you are satisfied with the succinct and readable str
accessor-based solutions above, you can stop here. However, if you are
interested in faster, more performant alternatives, keep reading.
Optimizing: List Comprehensions
In some circumstances, list comprehensions should be favo...
Change first commit of project with Git? [duplicate]
... below, git 1.7.12+ (August 2012) has enhanced the option --root for git rebase:
"git rebase [-i] --root $tip" can now be used to rewrite all the history leading to "$tip" down to the root commit.
That new behavior was initially discussed here:
I personally think "git rebase -i --root" should ...
CSS table column autowidth
...m:
td.last {
width: 1px;
white-space: nowrap;
}
Flexible, Class-Based Solution
And a more flexible solution is creating a .fitwidth class and applying that to any columns you want to ensure their contents are fit on one line:
td.fitwidth {
width: 1px;
white-space: nowrap;
}
A...
How to filter specific apps for ACTION_SEND intent (and set a different text for each app)
...s been asked in various ways, but I haven't been able to gather a solution based on the answers given. Hopefully someone can help. I would like to provide the ability to share within an app. Following Android Dev Alexander Lucas' advice , I'd prefer to do it using intents and not using the Facebook...
Python, Matplotlib, subplot: How to set the axis range?
...s Rob suggests, the OO interface in matplotlib is preferred over the state-based pylab interface. "Although many examples use pylab, it is no longer recommended. For non-interactive plotting it is suggested to use pyplot to create the figures and then the OO interface for plotting." matplotlib.org/f...
Using Java 8's Optional with Stream::flatMap
...
I'm adding this second answer based on a proposed edit by user srborlongan to my other answer. I think the technique proposed was interesting, but it wasn't really suitable as an edit to my answer. Others agreed and the proposed edit was voted down. (I wa...
Is there a version control system for database structure changes?
...ails, there's a concept of a migration -- a quick script to change the database.
You generate a migration file, which has rules to increase the db version (such as adding a column) and rules to downgrade the version (such as removing a column). Each migration is numbered, and a table keeps track of...
How do I escape a single quote in SQL Server?
... generating dynamic SQL which was then ran across multiple servers and databases, this solution worked for me whereas the doubling didn't in one specific case. Thanks for this!
– Richard Moss
Jul 2 '15 at 12:12
...
Recursively list files in Java
...E, TrueFileFilter.INSTANCE), where dir is a File object that points to the base directory.
– andronikus
Apr 27 '12 at 17:53
2
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OSGi: What are the differences between Apache Felix and Apache Karaf?
...:
Felix is just the OSGi core runtime. Karaf provides a "distribution" based on Felix by adding other features such as a console, an SSH remoting mechanism, a file deployer and more.
In this diagram of the Karaf architecture, Felix (or other OSGi implementation - currently Equinox is also supp...