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Qt: *.pro vs *.pri
...l .pro files as the need arises. This is how you would use it in practice:
foo.pri
FOO = BAR
hello.pro
...
include($$PWD/foo.pri)
...
world.pro
...
include($$PWD/foo.pri)
...
This way, the commonality would be available both in hello.pro as well as world.pro. It does not make much of difference i...
C++ sorting and keeping track of indexes
Using C++, and hopefully the standard library, I want to sort a sequence of samples in ascending order, but I also want to remember the original indexes of the new samples.
...
Convert generic List/Enumerable to DataTable?
...lliseconds);
}
static void Main()
{
List<MyData> foos = new List<MyData>();
for (int i = 0 ; i < 5000 ; i++ ){
foos.Add(new MyData
{ // just gibberish...
A = i,
B = i.ToString(),
C = Da...
What is the logic behind the “using” keyword in C++?
...n-deducible context. That is, it will not be possible to
call the function foo below without explicitly specifying template
arguments.
template <typename T> void foo (Vec<T>::type&);
So, the syntax is somewhat ugly. We would rather avoid the nested ::type
We’d prefer something lik...
Close file without quitting VIM application?
...ever this doesn't completely remove the buffer, it's still accessible:
:e foo
:e bar
:buffers
1 #h "foo" line 1
2 %a "bar" line 1
Press ENTER or type command to continue
:bd 2
:buffers
1 %a "foo" line 1
Press ENT...
Load “Vanilla” Javascript Libraries into Node.js
...o export.
So for a library like the file ./lib/mylibrary.js...
function Foo() { //Do something... }
biz = "Blah blah";
var bar = {'baz':'filler'};
When you want to use its functionality in your Node.js code...
var vanilla = require('vanilla');
var mylibrary = vanilla.require('./lib/mylibrary.j...
Join strings with a delimiter only if strings are not null or empty
...
Consider
var address = "foo";
var city;
var state = "bar";
var zip;
text = [address, city, state, zip].filter(Boolean).join(", ");
console.log(text)
.filter(Boolean) (which is the same as .filter(x => x)) removes all "falsy" values ...
How to detect when facebook's FB.init is complete
The old JS SDK had a function called FB.ensureInit. The new SDK does not seem to have such function... how can I ensure that I do not make api calls until it is fully initiated?
...
PHP Fatal error: Cannot redeclare class
...
It means you've already created a class.
For instance:
class Foo {}
// some code here
class Foo {}
That second Foo would throw the error.
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Mercurial (hg) commit only certain files
...u can specify the files on the command line, as tonfa writes:
$ hg commit foo.c foo.h dir/
That just works and that's what I do all the time. You can also use the --include flag that you've found, and you can use it several times like this:
$ hg commit -I foo.c -I "**/*.h"
You can even use a f...