大约有 30,000 项符合查询结果（耗时：0.0454秒） [XML]
Parse large JSON file in Nodejs
...t until you hit a newline. Assuming we have one JSON object per line (basically, format B):
var stream = fs.createReadStream(filePath, {flags: 'r', encoding: 'utf-8'});
var buf = '';
stream.on('data', function(d) {
buf += d.toString(); // when data is read, stash it in a string buffer
pum...
Move entire line up and down in Vim
...
Put the following to your .vimrc to do the job
noremap <c-s-up> :call feedkeys( line('.')==1 ? '' : 'ddkP' )<CR>
noremap <c-s-down> ddp
Disappearing of the line looks like a Vim bug. I put a hack to avoid it. Probably there is some more accurate solution.
Update
There are a...
Returning binary file from controller in ASP.NET Web API
...urn result;
}
A few things to note about the stream used:
You must not call stream.Dispose(), since Web API still needs to be able to access it when it processes the controller method's result to send data back to the client. Therefore, do not use a using (var stream = …) block. Web API will d...
Handling Dialogs in WPF with MVVM
...ive and unnecessary use of asyncronous messaging. The solution is simple: call a separate dialog service (i.e., IDialogService) of your design. The interface has methods and events for callbacks.
– Chris Bordeman
Mar 21 '15 at 7:50
...
When should I use mmap for file access?
...provide at least two ways of accessing files. There's the standard system calls open() , read() , write() , and friends, but there's also the option of using mmap() to map the file into virtual memory.
...
How and why does 'a'['toUpperCase']() in JavaScript work?
...of foo. allows you to use a dynamic property name.
Let's have a look at callMethod:
First of all, it returns a function that takes obj as its argument. When that function is executed it will call method on that object. So the given method just needs to exist either on obj itself or somewhere on ...
Java: Static Class?
...stantiating an instance of it makes no semantic sense, but I still want to call its methods. What is the best way to deal with this? Static class? Abstract?
...
Casting to string in JavaScript
...erently when the value is null.
null.toString() throws an error - Cannot call method 'toString' of null
String(null) returns - "null"
null + "" also returns - "null"
Very similar behaviour happens if value is undefined (see jbabey's answer).
Other than that, there is a negligible performance di...
How can I rollback a github repository to a specific commit?
...
git reset --hard <old-commit-id>
git push -f <remote-name> <branch-name>
Note: As written in comments below, Using this is dangerous in a collaborative environment: you're rewriting history
...
How to validate inputs dynamically created using ng-repeat, ng-show (angular)
I have a table that is created using ng-repeat. I want to add validation to each element in the table. The problem is that each input cell has the same name as the cell above and below it. I attempted to use the {{$index}} value to name the inputs, but despite the string literals in HTML appearing...