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Why is using “for…in” for array iteration a bad idea?
I've been told not to use for...in with arrays in JavaScript. Why not?
27 Answers
27...
Hard reset of a single file
I currently have three modified files in my working directory. However I want one of them to be reset to the HEAD status.
9...
What's the proper way to install pip, virtualenv, and distribute for Python?
In my answer to SO question 4314376 , I recommended using ez_setup so that you could then install pip and virtualenv as follows:
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How to generate an openSSL key using a passphrase from the command line?
...phrase could be grabbed by any other process running on the machine at the time, since command-line arguments are generally visible to all processes.
A better alternative is to write the passphrase into a temporary file that is protected with file permissions, and specify that:
openssl genrsa -aes...
What is the difference between Lisp-1 and Lisp-2?
...d slow moving in the first few sections, but is much easier to read by the time you get past section 5.
Basically, Lisp1 has a single environment that maps symbols to values, and those values can be either "regular" or functions. Lisp2 has (at least) two namespaces (symbols have a slot for their a...
Why java classes do not inherit annotations from implemented interfaces?
...-inheritance problem would occur.
Example:
@Retention(RetentionPolicy.RUNTIME)
@Target(ElementType.METHOD) @Inherited
public @interface Baz { String value(); }
public interface Foo{
@Baz("baz") void doStuff();
}
public interface Bar{
@Baz("phleem") void doStuff();
}
public class Flipp{
...
How can I extract the folder path from file path in Python?
I would like to get just the folder path from the full path to a file.
6 Answers
6
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How can I correctly prefix a word with “a” and “an”?
... 15 letters?
(optional) Discard all those prefixes which occur less than 5 times or where "a" vs. "an" achieves less than 2/3 majority (or some other threshholds - tweak here). Preferably keep the empty prefix to avoid corner-cases.
You can optimize your prefix database by discarding all those pref...
xcode-select active developer directory error
Saw the following error when running an npm install which required node-gyp ... but could be triggered by anything which requires xcode-select .
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Converting user input string to regular expression
I am designing a regular expression tester in HTML and JavaScript. The user will enter a regex, a string, and choose the function they want to test with (e.g. search, match, replace, etc.) via radio button and the program will display the results when that function is run with the specified argument...