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Count occurrences of a char in plain text file
...e and customize, this is about three times (sorry, edit! botched the first test) faster than Vereb's answer.
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comparing 2 strings alphabetically for sorting purposes
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Lets look at some test cases - try running the following expressions in your JS console:
"a" < "b"
"aa" < "ab"
"aaa" < "aab"
All return true.
JavaScript compares strings character by character and "a" comes before "b" in the alp...
Node.js client for a socket.io server
...n (socket) {
console.log('Connected!');
});
socket.emit('CH01', 'me', 'test msg');
Server Side :
//server.js
var app = require('express')();
var http = require('http').Server(app);
var io = require('socket.io')(http);
io.on('connection', function (socket){
console.log('connection');
so...
What's the difference between “Architectures” and “Valid Architectures” in Xcode Build Settings?
..., since you only want to build the debug version for the machine you'll be testing/running it on, and Release builds for the full spectrum of architectures you plan to support.
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Read whole ASCII file into C++ std::string [duplicate]
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Most of the time, you're fine not testing whether the file has opened (the other operations will simply fail). As a rule, you should avoid printing out error messages on the spot, unless you're sure that fits with the rest of the program -- if you must do som...
how to check redis instance version?
...t can be run even when the server is down (e.g. in a Jenkins pipeline when testing a Redis container), while redis-cli info <subinfo> will succeed only in a complete working setup, with redis-server running and responsive and with open network connectivity between redis-cli and redis-server
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Django - limiting query results
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Even this solution doesn't work with django>=1.8 tested.
– sonus21
Mar 16 '17 at 11:17
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Should I use 'border: none' or 'border: 0'?
...r will not.
In the following example on both IE and firefox the first two test divs come out with no border. The second two however are different with the first div in the second block being plain and the second div in the second block having a medium width dashed border.
So though they are both v...
How to gzip all files in all sub-directories into one compressed file in bash
...le, this solution is useful if you want to pass arguments to gzip (e.g., --test or --best), since afaik even GNU tar doesn't provide a way to send arguments to gzip.
– Timothy Woods
Oct 4 '13 at 18:46
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Accessing UI (Main) Thread safely in WPF
...use it. This class abstracts marshalling calls to other threads, and makes testing easier (in contrast to using WPF's Dispatcher directly). For example:
class MyViewModel
{
private readonly SynchronizationContext _syncContext;
public MyViewModel()
{
// we assume this ctor is ca...