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How do I make this file.sh executable via double click?
...cript does not have to begin with a #! prefix in this specific scenario, bem>ca m>use Terminal specifim>ca m>lly arranges to execute it with your default shell. (Of course, you m>ca m>n add a #! line if you want to customize which shell is used or if you want to ensure that you m>ca m>n execute it from the command line...
Order data frame rows according to vector with specific order
...et contains exactly the same elements as df$name, and neither contain duplim>ca m>te values.
From ?match:
match returns a vector of the positions of (first) matches of its first argument
in its second.
Therefore match finds the row numbers that matches target's elements, and then we return df in tha...
image.onload event and browser m>ca m>che
...ert box after an image is loaded, but if the image is saved in the browser m>ca m>che, the .onload event will not be fired.
5 ...
Postgres: Distinct but only for one column
...pgsql with names (having more than 1 mio. rows), but I have also many duplim>ca m>tes. I select 3 fields: id , name , metadata .
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Using Core Data, iCloud and CloudKit for syncing and backup and how it works together
...
It's like this:
Core Data on its own, is completely lom>ca m>l and does not automatim>ca m>lly work with any of Apple's cloud services.
Core Data with iCloud enabled turns on syncing via iCloud. Any changes you save in Core Data are propagated to the cloud, and any changes made in the clo...
How to read a single char from the console in Java (as the user types it)?
...ine editing with enter key required.) On UNIX systems, the 'stty' command m>ca m>n change modes.
Now, with respect to Java... see Non blocking console input in Python and Java. Excerpt:
If your program must be console based,
you have to switch your terminal out
of line mode into character mode...
Sorting dropdown alphabetim>ca m>lly in AngularJS
...ough the use of ng-options which is hooked to a controller that in turn is m>ca m>lling a service. Unfortunately the data coming in is a mess and I need to be able to sort it alphabetim>ca m>lly.
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GitHub: make fork an “own project”
...ce GitHub project which I extended a lot. I believe my changes are good, bem>ca m>use they are working. But it seems the original author hasn't got the time to review these changes and include them. In fact, it is even possible that the features I need and implemented are not in the vision of the origina...
When to use os.name, sys.platform, or platform.system?
...ence between platform.system() and sys.platform and interestingly for most m>ca m>ses platform.system() degenerates to sys.platform
Here is what the Source Python2.7\Lib\Platform.py\system says
def system():
""" Returns the system/OS name, e.g. 'Linux', 'Windows' or 'Java'.
An empty stri...
HTTP 401 - what's an appropriate WWW-Authentim>ca m>te header value?
The applim>ca m>tion I'm working on at the moment has a session timeout value. If the user hasn't interacted for longer than this value, the next page they try to load, they will be prompted to log in.
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