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How do I pass an extra parameter to the callback function in Javascript .filter() method?
...to compare against and return a function which will then be used as filter/callback function:
function startsWith(wordToCompare) {
return function(element) {
return element.indexOf(wordToCompare) === 0;
}
}
addressBook.filter(startsWith(wordToCompare));
Another option would be to...
How to load program reading stdin and taking parameters in gdb?
... The redirection seems to work but I get some errors. Failed to read a valid object file image from memory. Program exited with code 042. Any ideas?
– vinc456
Jan 18 '09 at 18:04
...
Is this a “good enough” random algorithm; why isn't it used if it's faster?
I made a class called QuickRandom , and its job is to produce random numbers quickly. It's really simple: just take the old value, multiply by a double , and take the decimal part.
...
Where is body in a nodejs http.get response?
...a\n');
req.end();
http.get does the same thing as http.request except it calls req.end() automatically.
var options = {
host: 'www.google.com',
port: 80,
path: '/index.html'
};
http.get(options, function(res) {
console.log("Got response: " + res.statusCode);
res.on("data", function(ch...
Linux/Unix command to determine if process is running?
...
While pidof and pgrep are great tools for determining what's running, they are both, unfortunately, unavailable on some operating systems. A definite fail safe would be to use the following: ps cax | grep command
The output on Gent...
Launch an app on OS X with command line
...e question here, the open command in 10.6 now has an args flag, so you can call:
open -n ./AppName.app --args -AppCommandLineArg
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Storing images in SQL Server?
...
There's a really good paper by Microsoft Research called To Blob or Not To Blob.
Their conclusion after a large number of performance tests and analysis is this:
if your pictures or document are typically below 256KB in size, storing them in a database VARBINARY column is...
node and Error: EMFILE, too many open files
...h')
var FsPool = module.exports = function(dir) {
events.EventEmitter.call(this)
this.dir = dir;
this.files = [];
this.active = [];
this.threads = 1;
this.on('run', this.runQuta.bind(this))
};
// So will act like an event emitter
util.inherits(FsPool, events.EventEmitter);
...
C libcurl get output into a string
...
You can set a callback function to receive incoming data chunks using curl_easy_setopt(curl, CURLOPT_WRITEFUNCTION, myfunc);
The callback will take a user defined argument that you can set using curl_easy_setopt(curl, CURLOPT_WRITEDATA, p...
How do I test a private function or a class that has private methods, fields or inner classes?
...st should only know enough about the implementation to mock the methods it calls on its dependencies. Nothing more. If you can not change your implementation without having to change a test - chances are that your test strategy is poor.
– Colin M
Jul 8 '13 at 1...