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What is the use of “assert” in Python?
...t True # nothing happens
>>> assert False
Traceback (most recent call last):
File "<stdin>", line 1, in <module>
AssertionError
Assertions can include an optional message, and you can disable them when running the interpreter.
To print a message if the assertion fails:
ass...
Android - Set fragment id
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You can't set a fragment's ID programmatically.
There is however, a String tag that you can set inside the FragmentTransaction which can be used to uniquely identify a Fragment.
As Aleksey pointed out, you can pass an ID to FragmentTransaction's add(int, Fragment) ...
How to get the path of a running JAR file?
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One more note: While calling this function from the Jar, the name of the jar is appended at the end for me, therefore had to execute: path.substring(0, path.lastIndexOf("/") + 1);
– will824
Oct 5 '11 at 15:29...
Using lambda expressions for event handlers
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Really? Interesting - so, if I register two anonymous functions that look the same (w.l.o.g. have an empty body), and then I unregister (using -=) another anonymous function that too has an empty body, it is essentially undefin...
Reading a string with scanf
...ld take it then that this would not be the case with a pointer to a string allocated through malloc()?
– abeln
Mar 23 '11 at 15:04
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Learning to write a compiler [closed]
... The PDF ¶ version (examples are in Pascal, but the information is generally applicable)
Linkers and Loaders $ (Google Books)
Lisp in Small Pieces (LiSP) $
LLVM Tutorial
Modern Compiler Implementation in ML $ — There is a Java $ and C $ version as well - widely considered a very good book
Object-...
What are Unwind segues for and how do you use them?
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In a Nutshell
An unwind segue (sometimes called exit segue) can be used to navigate back through push, modal or popover segues (as if you popped the navigation item from the navigation bar, closed the popover or dismissed the modally presented view controller). On to...
XmlWriter to Write to a String Instead of to a File
.... If you happen to omit the using() and instead declare your XmlWriter normally then make sure to call xw.Flush before you call sw.ToString() or else you may not get all content! (Obviously better to use the using brackets...)
– Ravendarksky
Jul 16 '14 at 10:34...
What is the difference between a framework and a library?
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Actually these terms can mean a lot of different things depending the context they are used.
For example, on Mac OS X frameworks are just libraries, packed into a bundle. Within the bundle you will find an actual dynamic librar...
How to produce a range with step n in bash? (generate a sequence of numbers with increments)
...course seq 0 2 10 will produce the same output on its own).
Note that seq allows floating-point numbers (e.g., seq .5 .25 3.5) but bash's brace expansion only allows integers.
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