大约有 42,000 项符合查询结果（耗时：0.0902秒） [XML]
How to convert DateTime to/from specific string format (both ways, e.g. given Format is “yyyyMMdd”)?
... problem converting a datetime which is in string format but I am not able to convert it using "yyyyMMdd" format.
14 Answ...
Why must wait() always be in synchronized block
We all know that in order to invoke Object.wait() , this call must be placed in synchronized block, otherwise an IllegalMonitorStateException is thrown. But what's the reason for making this restriction? I know that wait() releases the monitor, but why do we need to explicitly acquire the mon...
How do I migrate an SVN repository with history to a new Git repository?
...tp://svn/repo/here/trunk
Git and SVN operate very differently. You need to learn Git, and if you want to track changes from SVN upstream, you need to learn git-svn. The git-svn main page has a good examples section:
$ git svn --help
...
fatal: 'origin' does not appear to be a git repository
I've a repository moodle on my Github account which I forked from the official repository.
6 Answers
...
What's the difference between using “let” and “var”?
... difference is scoping rules. Variables declared by var keyword are scoped to the immediate function body (hence the function scope) while let variables are scoped to the immediate enclosing block denoted by { } (hence the block scope).
function run() {
var foo = "Foo";
let bar = "Bar";
cons...
How do I use method overloading in Python?
I am trying to implement method overloading in Python:
15 Answers
15
...
How to [recursively] Zip a directory in PHP?
Directory is something like:
12 Answers
12
...
MVC Vs n-tier architecture
...twork. I.E. the presentation layer is on some web servers, then that talks to backend app servers over the network for business logic, then that talks to a database server, again over the network, and maybe the app server also calls out to some remote services (say Authorize.net for payment process...
How to install an npm package from GitHub directly?
Trying to install modules from github results in:
15 Answers
15
...
How to generate a random number in C++?
I'm trying to make a game with dice, and I need to have random numbers in it (to simulate the sides of the die. I know how to make it between 1 and 6). Using
...