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Prevent ViewPager from destroying off-screen views
...2, so that when you are on the third page, the first one is not destroyed, and vice-versa.
mViewPager = (ViewPager)findViewById(R.id.pager);
mViewPager.setOffscreenPageLimit(2);
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Git: copy all files in a directory from another branch
... -c $COMMIT_SHA1 --reset-author; where $COMMIT_SHA1 could be like branch_a and would be the commit object which has the commit message you want. I don't know offhand how to programmatically determine the commit with most recent change to dirname
– Alexander Bird
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Regex for string contains?
...d, it's \bTest\b, with appropriate flags for case insensitivity if desired and delimiters for your programming language. \b represents a "word boundary", that is, a point between characters where a word can be considered to start or end. For example, since spaces are used to separate words, there wi...
Specify format for input arguments argparse python
I have a python script that requires some command line inputs and I am using argparse for parsing them. I found the documentation a bit confusing and couldn't find a way to check for a format in the input parameters. What I mean by checking format is explained with this example script:
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Reading/parsing Excel (xls) files with Python
...o, be warned that doing this is a real PITA. The number of caveats is huge and the documentation is lacking and annoying. I ran into many weird bugs and gotchas, some of which took many hours to figure out.
UPDATE: For newer .xlsx files, the recommended library for reading and writing appears to be...
How to add an object to an array
... a question: myArray = []; myArray.push({'text': 'some text', 'id' : 13}); and now myArray is empty. So if we try get the value from myArray[0]['text'] it will be empty, why? take.ms/jSvbn
– fdrv
Mar 16 '16 at 14:55
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Use CSS to automatically add 'required field' asterisk to form inputs
...would have to manually put in the distance for every length of form input, and wouldn't be able to have any flexible inputs.
– brentonstrine
Jun 25 '12 at 22:11
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In Git, how do I figure out what my current revision is?
...version number"? It is quite common to tag a commit with a version number and then use
$ git describe --tags
to identify the current HEAD w.r.t. any tags. If you mean you want to know the hash of the current HEAD, you probably want:
$ git rev-parse HEAD
or for the short revision hash:
$ git...
sqlite3-ruby install error on Ubuntu
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If you run in ubuntu,and using RVM for ruby on rails,please add FIRST:
sudo apt-get install libxslt-dev libxml2-dev
OR You can check with these commands:
This command will prepare for you two packages : sqllite3 and libsqlite3-dev
sudo ap...
Convert String to double in Java
...l characters that aren't a number or . to nothing, leaving only the number and decimal point to be parsed.
– WhiteFang34
Apr 24 '11 at 10:01
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