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Generating a PNG with matplotlib when DISPLAY is undefined
...st trying to import pyplot, you need to import matplotlib first, call use, and than import pyplot.
– seaotternerd
Nov 8 '13 at 9:15
8
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Comparing date ranges
...ollowing example. It will helpful for you.
SELECT DISTINCT RelatedTo,CAST(NotificationContent as nvarchar(max)) as NotificationContent,
ID,
Url,
NotificationPrefix,
NotificationDate
FROM NotificationMaster as nfm
...
How do I move a file with Ruby?
...u are moving across partitions, "mv" will copy the file to new destination and unlink the source path.
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How can I define an interface for an array of objects with Typescript?
...erface, eg. id?: number; label?: string; key?: any the best way to avoid a casting issue if you use less properties than what is defined in the interface? Ie. I may not specify key in the typed array setup.
– GONeale
Feb 1 '16 at 4:48
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What does the ^ operator do in Java?
...es not have such an operator. You can use double Math.pow(double, double) (casting the result to int if necessary).
You can also use the traditional bit-shifting trick to compute some powers of two. That is, (1L << k) is two to the k-th power for k=0..63.
See also
Wikipedia: Arithmetic shi...
How to remove trailing whitespaces with sed?
...
You can use the in place option -i of sed for Linux and Unix:
sed -i 's/[ \t]*$//' "$1"
Be aware the expression will delete trailing t's on OSX (you can use gsed to avoid this problem). It may delete them on BSD too.
If you don't have gsed, here is the correct (but hard-to...
Getting time elapsed in Objective-C
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Anyone know why there is a redundant (void) cast on the mach_timebase_info call?
– Simon Tillson
Dec 10 '13 at 10:57
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START_STICKY and START_NOT_STICKY
What is the difference between START_STICKY and START_NOT_STICKY while implementing services in android? Could anyone point out to some standard examples.. ?
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iPhone UIView Animation Best Practice
...ns:context: method:
Use of this method is discouraged in iPhone OS 4.0 and later. You should use the block-based animation methods instead.
Eg of Block-based Animation based on Tom's Comment
[UIView transitionWithView:mysuperview
duration:0.75
options:UIV...
Is there anything like inotify on Windows?
...t api is the fsevents api.
They're all subtly different from one another, and they all have questionable reliability in edge cases. In general, you can't depend on these apis for a complete view of all changes 100% of the time. Most people using file system monitoring combine it with periodic scans...