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Shell command to sum integers, one per line?
I am looking for a command that will accept (as input) multiple lines of text, each line containing a single integer, and output the sum of these integers.
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How to change the font on the TextView?
...efault is Droid Sans.
Second, to change to a different built-in font, use android:typeface in layout XML or setTypeface() in Java.
Third, there is no Helvetica font in Android. The built-in choices are Droid Sans (sans), Droid Sans Mono (monospace), and Droid Serif (serif). While you can bundle yo...
What is the apply function in Scala?
I never understood it from the contrived unmarshalling and verbing nouns ( an AddTwo class has an apply that adds two!) examples.
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Best way to assert for numpy.array equality?
I want to make some unit-tests for my app, and I need to compare two arrays. Since array.__eq__ returns a new array (so TestCase.assertEqual fails), what is the best way to assert for equality?
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python: SyntaxError: EOL while scanning string literal
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And careful to only use three quotation marks, I had four by accident and the error came up
– Oregano
Dec 9 '14 at 23:13
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How to sort a list of objects based on an attribute of the objects?
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No problem. btw, if muhuk is right and it's a list of Django objects, you should consider his solution. However, for the general case of sorting objects, my solution is probably best practice.
– Triptych
Dec 31 '08 at 17:...
Styling Google Maps InfoWindow
...ith this. Here are some examples: Example using InfoBubble, Styled markers and Info Window Custom (using OverlayView).
The code in the links above take different routes to achieve similar results. The gist of it is that it is not easy to style InfoWindows directly, and it might be easier to use the...
How to convert a string to lower case in Bash?
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The are various ways:
POSIX standard
tr
$ echo "$a" | tr '[:upper:]' '[:lower:]'
hi all
AWK
$ echo "$a" | awk '{print tolower($0)}'
hi all
Non-POSIX
You may run into portability issues with the following examples:
Bash 4.0
$ echo "${a,,}"
hi all...
iPhone: How to switch tabs with an animation?
... whether to use these techniques. There may be more modern approaches. Oh, and if you find one. Please add a response so everyone can see. Thanks.
Some time later ...
After much research I came up with two working solutions. Both of these worked and did the animation between tabs.
Solution 1: tr...
How much overhead does SSL impose?
I know there's no single hard-and-fast answer, but is there a generic order-of-magnitude estimate approximation for the encryption overhead of SSL versus unencrypted socket communication? I'm talking only about the comm processing and wire time, not counting application-level processing.
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