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How to do a safe join pathname in ruby?
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One thing to note. Ruby uses a "/" for file separator on all platforms, including Windows, so you don't actually need use different code for joining things together on different platforms. "C:/tmp/1.text" should work fine.
File.join() is your fr...
Histogram using gnuplot?
... to extend from the lower bound to the upper bound. This can be corrected by modifying the bin function: bin(x,width)=width*floor(x/width) + width/2.0
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How do I detect the Python version at runtime? [duplicate]
...hon 2.7 and later, the components of sys.version_info can also be accessed by name, so the major version number is sys.version_info.major.
See also How can I check for Python version in a program that uses new language features?
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How can I ensure that a division of integers is always rounded up?
...ne step at a time, and use good engineering principles in doing so.
Start by reading the specification for what you're trying to replace. The specification for integer division clearly states:
The division rounds the result towards zero
The result is zero or positive when the two operands have th...
How to match “anything up until this sequence of characters” in a regular expression?
... for
other conditions (if any), the engine will match the next characters by
step until the subsequent part of the regex is matched (again if any).
This is the un-greedy, meaning match the fewest possible to
satisfy.
/.+X/ ~ "abcXabcXabcX" /.+/ ~ "abcXabcXabcX"
^^^^^^^^...
Convert date to datetime in Python
...s because what it does is first retrieving the minimum value representable by datetime and then getting its time component. Incidentally, datetime.min = datetime(MINYEAR, 1, 1, tzinfo=None) and has a time of 00:00:00. However, I think it is cleaner to explicitly create a 00:00:00 time either through...
Format string, integer with leading zeros
...r *theNum = [[NSDecimalNumber decimalNumberWithString:nmbrStr]decimalNumberByAdding: [NSDecimalNumber one]] ;
NSString *fmtStr = [NSString stringWithFormat:@"%012.0F",[theNum doubleValue]] ;
Though this information is hard to find, it is actually documented here in the second paragraph under ...
Don't reload application when orientation changes
...or the first time and being restored from savedInstanceState. This is done by overriding onSaveInstanceState and checking the parameter of onCreate.
You could lock the activity in one orientation by adding android:screenOrientation="portrait" (or "landscape") to <activity> in your manifest.
Y...
Using app.configure in express
... imageUploader: {
brandingHtml: "Powered by \u003ca href=\"https://imgur.com/\"\u003e\u003csvg class=\"svg-icon\" width=\"50\" height=\"18\" viewBox=\"0 0 50 18\" fill=\"none\" xmlns=\"http://www.w3.org/2000/svg\"\u003e\u003cpath d=\"M46.1709 9.17788C46.1709 8.26454...
How can I view all historical changes to a file in SVN
...need:
svn blame filename
It will print the file with each line prefixed by the time and author of the commit that last changed it.
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