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How to replace spaces in file names using a bash script
...end a safe solution to recursively replace spaces with underscores in file and directory names starting from a given root directory? For example:
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What does O(log n) mean exactly?
I am learning about Big O Notation running times and amortized times. I understand the notion of O(n) linear time, meaning that the size of the input affects the growth of the algorithm proportionally...and the same goes for, for example, quadratic time O(n2) etc..even algorithms, such as permu...
What is a predicate in c#? [duplicate]
I am very new to using predicates and just learned how to write:
4 Answers
4
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How to get the last N records in mongodb?
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If I understand your question, you need to sort in ascending order.
Assuming you have some id or date field called "x" you would do ...
.sort()
db.foo.find().sort({x:1});
The 1 will sort ascending (oldest to newest) and -1 will so...
Does Java have a complete enum for HTTP response codes?
I'm wondering if there is an enum type in some standard Java class library that defines symbolic constants for all of the valid HTTP response codes. It should support conversion to/from the corresponding integer values.
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Convert Year/Month/Day to Day of Year in Python
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A very minor and arguably pedantic addition, but using date.today() rather than datetime.now() also works and emphasizes the nature of the operation a bit more.
– Jeremy
Dec 30 '13 at 6:57
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Stop all active ajax requests in jQuery
I have a problem, when submitting a form all active ajax request fail, and that triggers error event.
16 Answers
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Pick a random value from an enum?
...esult of values() because each call copies an array. Also, don't create a Random every time. Keep one. Other than that what you're doing is fine. So:
public enum Letter {
A,
B,
C,
//...
private static final List<Letter> VALUES =
Collections.unmodifiableList(Arrays.asList(values...
Exit codes in Python
...ode.
It's fairly likely that the script is never calling the exit method, and that 0 is the default exit code.
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How do you explicitly set a new property on `window` in TypeScript?
...ate .d.ts file. It does not work when used in a .ts file that uses imports and exports itself. See this answer.
– cdauth
Mar 9 '16 at 14:21
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