大约有 48,000 项符合查询结果(耗时:0.0626秒) [XML]
Ruby's ||= (or equals) in JavaScript?
...s ||= mechanism. If a variable doesn't exist or is nil , then create it and set it equal to something:
6 Answers
...
How does internationalization work in JavaScript?
...environment’s current locale. This function is implementation-dependent, and
it is permissible, but not encouraged, for it to return the same thing as toString.
Every localization method defined in the spec is defined as "implementation-dependent", which results in a lot of inconsistencies. In t...
Why doesn't Python have a sign function?
I can't understand why Python doesn't have a sign function. It has an abs builtin (which I consider sign 's sister), but no sign .
...
Why create “Implicitly Unwrapped Optionals”, since that implies you know there's a value?
...ase of an object that may have nil properties while it's being constructed and configured, but is immutable and non-nil afterwards (NSImage is often treated this way, though in its case it's still useful to mutate sometimes). Implicitly unwrapped optionals would clean up its code a good deal, with r...
How to write an async method with out parameter?
...el CLR rewrite instead of a
compiler-rewrite. We examined that approach, and it had a lot going
for it, but it would ultimately have been so costly that it'd never
have happened.
A typical workaround for this situation is to have the async method return a Tuple instead.
You could re-write yo...
Do you use source control for your database items? [closed]
...d never think of writing code without version control in a million years-- and rightly so-- can somehow be completely oblivious to the need for version control around the critical databases their applications rely on. I don't know how you can call yourself a software engineer and maintain a straight...
Import file size limit in PHPMyAdmin
...
Hehe - I checked php.ini in use via and I restarted the server. I changed the settings via Zend Server - checked the phpinfo again, and the changes are there - but no effect on the phpMyAdmin form - when trying to import data/structure with a SQL file, I'm stil...
How to compare if two structs, slices or maps are equal?
I want to check if two structs, slices and maps are equal.
5 Answers
5
...
Given final block not properly padded
...
If you try to decrypt PKCS5-padded data with the wrong key, and then unpad it (which is done by the Cipher class automatically), you most likely will get the BadPaddingException (with probably of slightly less than 255/256, around 99.61%), because the padding has a special structure w...
How to copy files across computers using SSH and MAC OS X Terminal [closed]
I'm trying to copy my .profile, .rvm and .ssh folders/files to a new computer and keep getting a "not a regular file" response. I know how to use the cp and ssh commands but I'm not sure how to use them in order to transfer files from one computer to another.
...
