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Truncating all tables in a Postgres database
...t in turn? You would probably have to write a PL/pgSQL script to do this.
http://www.postgresql.org/docs/8.3/static/plpgsql-statements.html (section 38.5.4. Executing Dynamic Commands)
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history.replaceState() example?
...but as an attribute from the first parameter passed as object
Reference:
http://spoiledmilk.com/blog/html5-changing-the-browser-url-without-refreshing-page/
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Detect & Record Audio in Python
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The pyaudio website has many examples that are pretty short and clear:
http://people.csail.mit.edu/hubert/pyaudio/
Update 14th of December 2019 - Main example from the above linked website from 2017:
"""PyAudio Example: Play a WAVE file."""
import pyaudio
import wave
import sys
CHUNK = 1024...
Should __init__() call the parent class's __init__()?
... method directly: just
call BaseClassName.methodname(self, arguments).
http://docs.python.org/tutorial/classes.html#inheritance
That's all the story:
when the aim is to KEEP the initialization performed by the base-class, that is pure inheritance, nothing special is needed, one must just avo...
Can an AJAX response set a cookie?
...ay of requesting to server, the server will need to respond back as in any HTTP request. In the response of the request you can add cookies.
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Simple example of threading in C++
...ck and was instrumental in hammering out the c++0x standard on the topic.
http://www.hpl.hp.com/techreports/2004/HPL-2004-209.html
That said there are several cross-platform thread C++ libraries that work just fine in practice. Intel thread building blocks contains a tbb::thread object that closel...
What is the documents directory (NSDocumentDirectory)?
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This has changed in iOS 8. See the following tech note: https://developer.apple.com/library/ios/technotes/tn2406/_index.html
The Apple sanctioned way (from the link above) is as follows:
// Returns the URL to the application's Documents directory.
- (NSURL *)applicationDocuments...
android studio 0.4.2: Gradle project sync failed error
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Please update gradle link to its folder http://services.gradle.org/distributions/ instead of file. current gradle is 2.3
– AaA
Mar 4 '15 at 3:30
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What does “hashable” mean in Python?
...the array and taking the remainder as the index.
For more detail refer to https://en.wikipedia.org/wiki/Hash_function
Here is another good reference: http://interactivepython.org/runestone/static/pythonds/SortSearch/Hashing.html
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Is gcc 4.8 or earlier buggy about regular expressions?
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it will print 1 2 3
you may read the sregex_token_iterator reference in:
http://en.cppreference.com/w/cpp/regex/regex_token_iterator
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