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Scala best way of turning a Collection into a Map-by-key?
...P, t))(breakOut)
this avoids the creation of the intermediary list, more info here:
Scala 2.8 breakOut
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How do I remove a file from the FileList
...This question has already been marked answered, but I'd like to share some information that might help others with using FileList.
It would be convenient to treat a FileList as an array, but methods like sort, shift, pop, and slice don't work. As others have suggested, you can copy the FileList to ...
What is the function of the push / pop instructions used on registers in x86 assembly?
... them are actually being used. But reading from a register is effectively free, zero latency. So it's infinitely faster than L1 cache, depending on how you want to define terms. For read-only locals spilled to the stack, the main cost is just extra load uops (sometimes memory operands, sometimes ...
Android WebView: handling orientation changes
...pName"
android:configChanges="orientation|screenSize"
for more info see:
http://developer.android.com/guide/topics/resources/runtime-changes.html#HandlingTheChange
https://developer.android.com/reference/android/app/Activity.html#ConfigurationChanges
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Should I add the Visual Studio .suo and .user files to source control?
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Be careful, suo file stores information whether project is loaded/unloaded within solution.
– Kugel
Oct 13 '11 at 9:21
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FIND_IN_SET() vs IN()
...FIND_IN_SET works, but doesn't uses indexes, and may be slow with a lot of info in the Company table.
– Rocket Hazmat
Nov 11 '10 at 15:43
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How to overwrite the previous print to stdout in python?
...t '\x1b[2K\r',
It uses ANSI escape code to clear the terminal line. More info can be found in wikipedia and in this great talk.
Old answer
The (not so good) solution I've found looks like this:
last_x = ''
for x in ['abc', 1]:
print ' ' * len(str(last_x)) + '\r',
print '{}\r'.format(x),...
How do HTML parses work if they're not using regexp?
...ed a push-down automaton, and it recognizes languages generated by context-free grammars. Here, we can recognize correctly matched parentheses--indeed, a stack is the perfect memory model for it.
Well, is this good enough for HTML? Sadly, no. Maybe for super-duper carefully validated XML, actual...
How can I avoid running ActiveRecord callbacks?
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Useful info: the 'symbol' in reset_callbacks is not :after_save, but rather :save. apidock.com/rails/v3.0.9/ActiveSupport/Callbacks/ClassMethods/…
– nessur
Jul 28 '11 at 15:13
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Liquibase lock - reasons?
... the whole table missing). Exactly as Peter said, just wanted to add that info, because in older versions it seems to have worked to also remove the row.
– Kariem
Aug 16 '13 at 9:45
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