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How to print to console when using Qt
...t useful:
#include <QTextStream>
QTextStream out(stdout);
foreach(QString x, strings)
out << x << endl;
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How do I change read/write mode for a file using Emacs?
...t args)
"Run a unix command and, if it returns 0, return the output as a string.
Otherwise, signal an error. The error message is the first line of the output."
(let ((output-buffer (generate-new-buffer "*stdout*")))
(unwind-protect
(let ((return-value (apply 'call-process command nil
...
jQuery Set Select Index
...te: .val(3) works as well for this example, but non-numeric values must be strings, so I chose a string for consistency.
(e.g. <option value="hello">Number3</option> requires you to use .val("hello"))
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What does “abstract over” mean?
...he two final examples a Set or some other foldable type. An example with a String and concatenation would also be pretty cool.
– Daniel C. Sobral
Jan 22 '11 at 22:48
1
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Why does Node.js' fs.readFile() return a buffer instead of string?
...asis mine):
Why does Node.js' fs.readFile() return a buffer instead of string?
Because files aren't always text
Even if you as the programmer know it: Node has no idea what's in the file you're trying to read. It could be a text file, but it could just as well be a ZIP archive or a JPG image ...
About Android image and asset sizes
...i (240 dpi, High density screen) - 72px x 72px (0.38) (2)
xhdpi (320 dpi, Extra-high density screen) - 96px x 96px (0.5) (2.67)
xxhdpi (480 dpi, Extra-extra-high density screen) - 144px x 144px (0.75) (4)
xxxhdpi (640 dpi, Extra-extra-extra-high density screen) - 192px x 192px (1.0) (5.33)
My sh...
C++静态和多态，亦敌亦友 - C/C++ - 清泛网 - 专注C/C++及内核技术
...(void){ cout << "DerivedAgain::foo()"<< endl; }
} ;
int main(int argc, char** argv)
{
DerivedAgain da;
Base* pB = &da;
da.foo();
pB->foo();
return 0;
}
上述代码运行结果是什么？等等，你确定上述代码能通过编译？在笔者Ubuntu 12.04 + gcc...
Check if a Windows service exists and delete in PowerShell
...$ServiceName.
# Returns a boolean $True or $False.
Function ServiceExists([string] $ServiceName) {
[bool] $Return = $False
# If you use just "Get-Service $ServiceName", it will return an error if
# the service didn't exist. Trick Get-Service to return an array of
# Services, but o...
Android TextView Justify Text
...ut)findViewById(R.id.inset_web_view)).addView(view);
view.loadData(getString(R.string.hello), "text/html; charset=utf-8", "utf-8");
and html.
<string name="hello">
<![CDATA[
<html>
<head></head>
<body style="text-align:justify;color:gray;background-color:black...
What is an example of the simplest possible Socket.io example?
...te easiest and smallest example i could come up with.
this just returns a string passed from the console UPPERCASED.
app.js
var http = require('http');
var app = http.createServer(function(req, res) {
console.log('createServer');
});
app.listen(3000);
var io = require('socket.io').liste...