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How does one make random number between range for arc4random_uniform()?
...epts negative ranges:
extension Int
{
static func random(range: Range<Int> ) -> Int
{
var offset = 0
if range.startIndex < 0 // allow negative ranges
{
offset = abs(range.startIndex)
}
let mini = UInt32(range.startIndex + o...
creating a random number using MYSQL
... what you want:
FLOOR(RAND() * 401) + 100
Generically, FLOOR(RAND() * (<max> - <min> + 1)) + <min> generates a number between <min> and <max> inclusive.
Update
This full statement should work:
SELECT name, address, FLOOR(RAND() * 401) + 100 AS `random_number`
FRO...
How do you work with an array of jQuery Deferreds?
...when.all() method that addresses these problems:
// Put somewhere in your scripting environment
if (jQuery.when.all===undefined) {
jQuery.when.all = function(deferreds) {
var deferred = new jQuery.Deferred();
$.when.apply(jQuery, deferreds).then(
function() {
...
Use Font Awesome Icon in Placeholder
...the fonts when the input is not empty. Combine it with jQuery like this.
<form role="form">
<div class="form-group">
<input type="text" class="form-control empty" id="iconified" placeholder="&#xF002;"/>
</div>
</form>
With this CSS:
input.empty {
fon...
Should we pass a shared_ptr by reference or by value?
...
"unless there is multi-threading" no, MT is in no way special.
– curiousguy
Aug 13 '15 at 21:21
4
...
Why does changing 0.1f to 0 slow down performance by 10x?
...4,2.145,2.256,2.367,2.478,2.589,2.690};
float y[16];
for(int i=0;i<16;i++)
{
y[i]=x[i];
}
for(int j=0;j<9000000;j++)
{
for(int i=0;i<16;i++)
{
y[i]*=x[i];
y[i]/=z[i];
#ifdef FLOATING
y[i]=y[i]+0.1f;
...
“ArrayAdapter requires the resource ID to be a TextView” xml problems
...the ArrayAdapter expects. When you use this constructor:
new ArrayAdapter<String>(this, R.layout.a_layout_file, this.file)
R.Layout.a_layout_file must be the id of a xml layout file containing only a TextView(the TextView can't be wrapped by another layout, like a LinearLayout, RelativeLayo...
is there a post render callback for Angular JS directive?
...
If the second parameter, "delay" is not provided, the default behaviour is to execute the function after the DOM has completed rendering. So instead of setTimeout, use $timeout:
$timeout(function () {
//DOM has finished rendering
});
...
What does the “yield” keyword do?
...e a generator
>>> print(mygenerator) # mygenerator is an object!
<generator object createGenerator at 0xb7555c34>
>>> for i in mygenerator:
... print(i)
0
1
4
Here it's a useless example, but it's handy when you know your function will return a huge set of values that y...
How to make DialogFragment width to Fill_Parent
...
@ymerdrengene although technically, they are all just inheriting this value from ViewGroup.LayoutParams, so it works perfectly fine either way.
– EpicPandaForce
Mar 4 '15 at 18:44
...