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Turn a string into a valid filename?
...t attempts to find good substitutes first (via the NFKD normalization), so é becomes e, a superscript 1 becomes a normal 1, etc. Thanks
– Michael Scott Cuthbert
Nov 8 '12 at 2:13
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Dictionary vs Object - which is more efficient and why?
What is more efficient in Python in terms of memory usage and CPU consumption - Dictionary or Object?
8 Answers
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How to clone git repository with specific revision/changeset?
How can I clone git repository with specific revision, something like I usually do in Mercurial:
15 Answers
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Writing to an Excel spreadsheet
...if you are using Python 3 and the file contains non-ASCII characters, like é or 中, you better do an f.write('\xEF\xBB\xBF') right after the open(). That is the BOM (byte order mark, q.v.), needed by Microsoft software to recognize the UTF-8 encoding
– Walter Tross
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ListView item background via custom selector
Is it possible to apply a custom background to each Listview item via the list selector?
10 Answers
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Best way to create an empty map in Java
...ce works (ie. map = Collections.emptyMap() works)
– Sébastien RoccaSerra
Mar 11 '09 at 20:20
Yeah, true. I edited the...
Different floating point result with optimization enabled - compiler bug?
... Different optimization levels affect how often floating point values from CPU get saved into memory and thus rounded from 80-bit precision to 64-bit precision.
Use the -ffloat-store gcc option to get the same floating point results with different optimization levels.
Alternatively, use the long d...
Java Timestamp - How can I create a Timestamp with the date 23/09/2007?
...g a time zone. Consider that a new day dawns earlier in Paris than in Montréal where it is still “yesterday”.
Also, a java.sql.Timestamp represents both a date and time-of-day. So we must inject a time-of-day to go along with the date. We assume you want the first moment of the day as the time...
Running a cron every 30 seconds
... schedule the next run to coincide with other events, it needs to wake the CPU less often. The 1ms in the example above is not ideal - I usually set accuracy to 1 (1 second) in my sub-minute scheduled jobs, but that would mean that if you look at the log showing the "Hello World" messages, you'd see...
C-like structures in Python
...f accidentally sharing values accross instances.
– Stéphane C.
Nov 15 '16 at 10:05
@ChanningMoore: I tried to recreat...