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How to set Python's default version to 3.x on OS X?
... the alias untouched, and works in all shells.
If you launch interpreters more often (I do), you can always create more aliases to add as well, i.e.:
alias 2='python2'
alias 3='python3'
Tip: For scripts, instead of using a shebang like:
#!/usr/bin/env python
use:
#!/usr/bin/env python3
T...
Apache Spark: map vs mapPartitions?
...language engine that will process the map task. (I'm in R, which may have more startup overhead.) If you would be performing multiple operations, then mapPartitions seems to be quite a bit faster -- I'm assuming this is because it reads the RDD only once. Even if the RDD is cached in RAM, that sa...
How to add a custom loglevel to Python's logging facility
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Certainly much more informative than the current answer.
– Mad Physicist
Feb 29 '16 at 15:31
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How do I find and view a TFS changeset by comment text?
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Avoid duplicates in INSERT INTO SELECT query in SQL Server
...three options, the LEFT JOIN/IS NULL is less efficient. See this link for more details.
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The shortest possible output from git log containing author and date
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209
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If threads share the same PID, how can they be identified?
...each thread has it's own ID, called a PID (although it would possibly make more sense to call this a TID, or thread ID) and they also have a TGID (thread group ID) which is the PID of the thread that started the whole process.
Simplistically, when a new process is created, it appears as a thread wh...
Where is the syntax for TypeScript comments documented?
...uch as TypeScript. TSDoc addresses these limitations while also tackling a more sophisticated set of goals.
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How do you know a variable type in java?
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What is Bit Masking?
...). This is how we can extract the four bytes from a 32-bit integer:
void more_stuff(uint32_t value) { // Example value: 0x01020304
uint32_t byte1 = (value >> 24); // 0x01020304 >> 24 is 0x01 so
// no masking is nec...