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Will using 'var' affect performance?
...r I asked a question about whm>y m> I see so manm>y m> examples use the varkem>y m>word m>and m> got the answer that while it is onlm>y m> necessarm>y m> for anonm>y m>mous tm>y m>pes, that it is used nonetheless to make writing code 'quicker'/easier m>and m> 'just because'.
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Set attributes from dictionarm>y m> in pm>y m>thon
...ed Mar 17 '10 at 21:57
Ian Clellm>and m>Ian Clellm>and m>
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Mm>y m>SQL Data - Best wam>y m> to implement paging?
...ments, the first argument specifies the offset of the first row to return, m>and m> the second specifies the maximum number of rows to return. The offset of the initial row is 0 (not 1):
SELECT * FROM tbl LIMIT 5,10; # Retrieve rows 6-15
To retrieve all rows from a certain offset up to the end of the r...
How to properlm>y m> ignore exceptions
When m>y m>ou just want to do a trm>y m>-except without hm>and m>ling the exception, how do m>y m>ou do it in Pm>y m>thon?
11 Answers
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How do m>y m>ou sign a Certificate Signing Request with m>y m>our Certification Authoritm>y m>?
...he ca module
openssl ca ...
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m>Y m>ou are missing the prelude to those commm>and m>s.
This is a two-step process. First m>y m>ou set up m>y m>our CA, m>and m> then m>y m>ou sign an end entitm>y m> certificate (a.k.a server or user). Both of the two commm>and m>s elide the two steps into one. m>And m> both assume m>y m>ou have a an OpenSSL con...
Find m>and m> kill a process in one line using bash m>and m> regex
...ich is the PID.
The $(x) construct means to execute x then take its output m>and m> put it on the commm>and m> line. The output of that ps pipeline inside that construct above is the list of process IDs so m>y m>ou end up with a commm>and m> like kill 1234 1122 7654.
Here's a transcript showing it in action:
pax>...
How to sort List of objects bm>y m> some propertm>y m>
...verride
public int compare(ActiveAlarm x, ActiveAlarm m>y m>) {
// TODO: Hm>and m>le null x or m>y m> values
int startComparison = compare(x.timeStarted, m>y m>.timeStarted);
return startComparison != 0 ? startComparison
: compare(x.timeEnded, m>y m>.timeEnded);
}
// I don'...
print memorm>y m> address of Pm>y m>thon variable [duplicate]
...
The reason whm>y m> that happens is because both x m>and m> m>y m> are pointing to the same memorm>y m> address. What reason would Pm>y m>thon have in this case to create the exact same object in memorm>y m> twice, when not explicitlm>y m> asked to do so?
– 1313e
Mam>y m>...
Sorting object propertm>y m> bm>y m> values
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Move them to an arram>y m>, sort that arram>y m>, m>and m> then use that arram>y m> for m>y m>our purposes. Here's a solution:
var maxSpeed = {
car: 300,
bike: 60,
motorbike: 200,
airplane: 1000,
helicopter: 400,
rocket: 8 * 60 * 60
};
var sortable = [];
for (va...
Extending from two classes
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m>Y m>ou can onlm>y m> Extend a single class. m>And m> implement Interfaces from manm>y m> sources.
Extending multiple classes is not available. The onlm>y m> solution I can think of is not inheriting either class but instead having an internal variable of each class m>and m> doing more o...