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Why do Lua arrays(tables) start at 1 instead of 0?
...
Lua is descended from Sol, a language designed for petroleum engineers with no formal training in computer programming. People not trained in computing think it is damned weird to start counting at zero. By adopting 1-based array and string indexing, the Lua designers a...
Upload files with HTTPWebrequest (multipart/form-data)
...e, string contentType, NameValueCollection nvc) {
log.Debug(string.Format("Uploading {0} to {1}", file, url));
string boundary = "---------------------------" + DateTime.Now.Ticks.ToString("x");
byte[] boundarybytes = System.Text.Encoding.ASCII.GetBytes("\r\n--" + boundary + ...
How to refresh app upon shaking the device?
... = mAccelCurrent - mAccelLast;
mAccel = mAccel * 0.9f + delta; // perform low-cut filter
}
public void onAccuracyChanged(Sensor sensor, int accuracy) {
}
};
@Override
protected void onResume() {
super.onResume();
mSensorManager.registerListener(mSensorListener, mSen...
How to install a previous exact version of a NPM package?
... a package, just specify it
npm install <package>@<version>
For example: npm install express@3.0.0
You can also add the --save flag to that command to add it to your package.json dependencies, or --save --save-exact flags if you want that exact version specified in your package.json ...
Add subdomain to localhost URL
...an web application that behaves differently depending on a url prefix. The format is something like:
5 Answers
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How do Trigonometric functions work?
...re periodic, so you need to reduce arguments down to a standard interval. For starters, you could reduce angles to be between 0 and 360 degrees. But by using a few identities, you realize you could get by with less. If you calculate sines and cosines for angles between 0 and 45 degrees, you can bo...
Check if user is using IE
...
This returns NaN in IE11, for me.
– verism
Oct 13 '14 at 13:08
7
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How to get box-shadow on left & right sides only
...ution described here.
You can get close with multiple box-shadows; one for each side
box-shadow: 12px 0 15px -4px rgba(31, 73, 125, 0.8), -12px 0 8px -4px rgba(31, 73, 125, 0.8);
http://jsfiddle.net/YJDdp/
Edit
Add 2 more box-shadows for the top and bottom up front to mask out the that blee...
Use images instead of radio buttons
...tp://placehold.it/40x60/b0f/fff&text=B">
</label>
Don't forget to add a class to your labels and in CSS use that class instead.
Custom styles and animations
Here's an advanced version using the <i> element and the :after pseudo:
body{color:#444;font:100%/1.4 sans-serif...
Sass - Converting Hex to RGBa for background opacity
... rgba() function can accept a single hex color as well decimal RGB values. For example, this would work just fine:
@mixin background-opacity($color, $opacity: 0.3) {
background: $color; /* The Fallback */
background: rgba($color, $opacity);
}
element {
@include background-opacity(#333...