大约有 25,300 项符合查询结果(耗时:0.0412秒) [XML]
What is the difference between new/delete and malloc/free?
...
new/delete
Allocate/release memory
Memory allocated from 'Free Store'
Returns a fully typed pointer.
new (standard version) never returns a NULL (will throw on failure)
Are called with Type-ID (compiler calculates the size)
Has a version explicitly to...
What is the point of a “Build Server”? [closed]
... given is actually a huge benefit. Builds that go to QA should only ever come from a system that builds only from the repository. This way build packages are reproducible and traceable. Developers manually building code for anything except their own testing is dangerous. Too much risk of stuff not g...
What is the use case of noop [:] in bash?
...ent in Unix v6. : was a label indicator for the Thompson shell's goto statement. The label could be any text, so : doubled up as a comment indicator (if there is no goto comment, then : comment is effectively a comment). The Bourne shell didn't have goto but kept :.
A common idiom that uses : is : ...
Laravel redirect back to original destination after login
...el has so many nice solutions for basic things, I feel like I'm missing something.
23 Answers
...
Converting string to byte array in C#
I'm converting something from VB into C#. Having a problem with the syntax of this statement:
16 Answers
...
Add support library to Android Studio project
...longer work on Android project for a while.
Although the below provides some clue to how an android studio project can be configured, but I can't guarantee it works flawlessly.
In principle, IntelliJ respects the build file and will try to use it to configure the IDE project. It's not true in the ...
How to sort by two fields in Java?
I have array of objects person (int age; String name;) .
16 Answers
16
...
Java 8 stream's .min() and .max(): why does this compile?
...
Let me explain what is happening here, because it isn't obvious!
First, Stream.max() accepts an instance of Comparator so that items in the stream can be compared against each other to find the minimum or maximum, in some optima...
Socket.IO - how do I get a list of connected sockets/clients?
...
In Socket.IO 0.7 you have a clients method on the namespaces, this returns a array of all connected sockets.
API for no namespace:
var clients = io.sockets.clients();
var clients = io.sockets.clients('room'); // all users from room `room`
For a namespace
v...
How can you customize the numbers in an ordered list?
...
This is the solution I have working in Firefox 3, Opera and Google Chrome. The list still displays in IE7 (but without the close bracket and left align numbers):
ol {
counter-reset: item;
margin-left: 0;
padding-left: 0;
}
li {
display: block;
margin-bottom: .5em;
margin...
