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Finding the index of an item in a list
...> ["foo", "bar", "baz"].index("bar")
1
Reference: Data Structures > More on Lists
Caveats follow
Note that while this is perhaps the cleanest way to answer the question as asked, index is a rather weak component of the list API, and I can't remember the last time I used it in anger. It's been...
if A vs if A is not None:
...ke a look at the dis.dis()). Correct me if I'm wrong but if A: seems to be more efficient, as soon as you really wants to test the truth value and not the None identity.
– cedbeu
Mar 25 '13 at 1:31
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Tar a directory, but don't store full absolute paths in the archive
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Automatically plot different colored lines
...plot, but I start having duplicates after 7 iterations. Is there an easier/more efficient way to do this, and with more color options?
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How many bytes does one Unicode character take?
... create a new logical character. A character therefore can consist of 1 or more codepoints.
To be useful in computing systems we need to choose a representation for this information. Those are the various unicode encodings, such as utf-8, utf-16le, utf-32 etc. They are distinguished largely by the ...
TCP vs UDP on video stream
... with this because viewers stagger their replay activity; therefore TCP is more appropriate for replaying a video-on-demand.
IP multicast significantly reduces video bandwidth requirements for large audiences; TCP prevents the use of IP multicast, but UDP is well-suited for IP multicast.
Live video ...
When do I need to use AtomicBoolean in Java?
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How to remove all debug logging calls before building the release version of an Android app?
...Timber.e(ioe, "Bad things happened!");
}
See the Timber sample app for a more advanced example, where all log statements are sent to logcat during development and, in production, no debug statements are logged, but errors are silently reported to Crashlytics.
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Multiple queries executed in java in single statement
... its other variants to fetch results of the query execution.
boolean hasMoreResultSets = stmt.execute( multiQuerySqlString );
To iterate through and process results you require following steps:
READING_QUERY_RESULTS: // label
while ( hasMoreResultSets || stmt.getUpdateCount() != -1 ) {...