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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...
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'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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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 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...
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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Apache Commons equals/hashCode builder [closed]
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a) at the time this question was asked, Java 7 wasn't there yet b) technically, they're not quite equivalent. jdk has the Objects.equals method versus Guava's Objects.equal methods. I can use static imports with Guava's version only. T...
Async call with await in HttpClient never returns
...ors. A silly mistake, but had I seen this post it might have saved me some time checking through the code for something odd.
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