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How to replace plain URLs with links?
...
+100
First off, rolling your own regexp to parse URLs is a terrible idea. You must imagine this is a common enough problem that someone h...
Sort rows in data.table in decreasing order on string key `order(-x,v)` gives error on data.table 1.
...
Update
data.table v1.9.6+ now supports OP's original attempt and the following answer is no longer necessary.
You can use DT[order(-rank(x), y)].
x y v
1: c 1 7
2: c 3 8
3: c 6 9
4: b 1 1
5: b 3 2
6: b 6 3
7: a 1 4
8: a 3 5
9: a 6 6
...
Where is the WPF Numeric UpDown control?
...ss NumericUpDown : UserControl
{
int minvalue = 0,
maxvalue = 100,
startvalue = 10;
public NumericUpDown()
{
InitializeComponent();
NUDTextBox.Text = startvalue.ToString();
}
private void NUDButtonUP_Click(object sender, RoutedEventArgs e)
{
...
Simple example of threading in C++
...he lifecycle.
Here is a sample code
int main() {
int localVariable = 100;
thread th { [=](){
cout<<"The Value of local variable => "<<localVariable<<endl;
}}
th.join();
return 0;
}
By far, I've found C++ lambdas to be the best way of creating t...
PhoneGap: Detect if running on desktop browser
...another page, on config.xml something like this <content src="http://10.100.1.147/" />
– vudduu
Sep 23 '13 at 16:18
...
CSS3 Spin Animation
...ed any keyframes. I made it work here.
div {
margin: 20px;
width: 100px;
height: 100px;
background: #f00;
-webkit-animation: spin 4s infinite linear;
}
@-webkit-keyframes spin {
0% {-webkit-transform: rotate(0deg);}
100% {-webkit-transform: rotate(360deg);}
}
...
Selecting with complex criteria from pandas.DataFrame
...ndint(1, 9)*10 for x in range(10)],
'C': [randint(1, 9)*100 for x in range(10)]})
>>> df
A B C
0 9 40 300
1 9 70 700
2 5 70 900
3 8 80 900
4 7 50 200
5 9 30 900
6 2 80 700
7 2 80 400
8 5 80 300
9 7 70 800
We can apply column operati...
What is your naming convention for stored procedures? [closed]
...mmended naming convention: msdn.microsoft.com/en-us/library/ms124456(v=SQL.100).aspx
– asus3000
Jun 8 '17 at 13:28
...
Is there any advantage of using map over unordered_map in case of trivial keys?
... x86_64 Linux system
$ ./time_hash_map
TR1 UNORDERED_MAP (4 byte objects, 10000000 iterations):
map_grow 126.1 ns (27427396 hashes, 40000000 copies) 290.9 MB
map_predict/grow 67.4 ns (10000000 hashes, 40000000 copies) 232.8 MB
map_replace 22.3 ns (37427396 hashes,...
setTimeout in for-loop does not print consecutive values [duplicate]
...ctions.
function doSetTimeout(i) {
setTimeout(function() { alert(i); }, 100);
}
for (var i = 1; i <= 2; ++i)
doSetTimeout(i);
If you don't do something like this (and there are other variations on this same idea), then each of the timer handler functions will share the same variable "i". ...