大约有 15,500 项符合查询结果（耗时：0.0278秒） [XML]
How to print last two columns using awk
...viors have been (maybe erroneously) brought forward. I do not have gawk to test against -- which is probably what you are referencing. So I don't know for sure why your comment came abnput. Linux awk out of the box usually is gawk. I will test and post back. Meanwhile try Soalris or HPUX or DGX or ...
Remove NA values from a vector
...ively slower (though I'll happily take comments on my implementation & test!)
microbenchmark::microbenchmark(
purrr::map(airquality,function(x) {x[!is.na(x)]}),
purrr::map(airquality,na.omit),
purrr::map(airquality, ~purrr::discard(.x, .p = is.na)),
times = 1e6)
Unit: microseconds
...
Call An Asynchronous Javascript Function Synchronously
...e new to javascript. So it's currently not implemented by most browsers. I tested it in firefox, and for me it is nice way to wrap asynchronous function.
Here is example code from project GitHub
var { Deferred } = task;
spawn(function() {
out.innerHTML = "reading...\n";
try {
var ...
jQuery - setting the selected value of a select control via its text description
...
I haven't tested this, but this might work for you.
$("select#my-select option")
.each(function() { this.selected = (this.text == myVal); });
share
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How to use performSelector:withObject:afterDelay: with primitive types in Cocoa?
...e 0 or 1. It is true that most code won't care and will simply do an if () test on it, but it is conceivable that some code will depend on it being 0 or 1, and thus won't treat some large address value as being the same as 1 (YES).
– user102008
Oct 21 '11 at 22...
Downloading images with node.js [closed]
...ngth:', res.headers['content-length']);
request(uri).pipe(fs.createWriteStream(filename)).on('close', callback);
});
};
download('https://www.google.com/images/srpr/logo3w.png', 'google.png', function(){
console.log('done');
});
...
What are the best Haskell libraries to operationalize a program? [closed]
...
Also note that lots of the profiling tools are great for testing but not so much for production code. Leaving aside the overhead, -prof for example can only be used with a single processor.
– sclv
Apr 29 '11 at 2:26
...
Get data from fs.readFile
...turns a string. Otherwise it returns a buffer.
var text = fs.readFileSync('test.md','utf8')
console.log (text)
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Node.js/Express.js App Only Works on Port 3000
...le node app.js will start it (I personally use nodemon when developing and testing. What you might be thinking of is the express command-line executable that is a helper process that builds out your skeleton file structure. Can you post a gist of your code?
– EhevuTov
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What is the easiest way to make a C++ program crash?
...program that crashes on purpose but I don't actually know the best and shortest way to do that, does anyone know what to put between my:
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