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How can I make a div stick to the top of the screen once it's been scrolled to?
... {
background-color: #c0c0c0;
position:fixed;
top:0;
width:100%;
z-index:100;
}
Edit: You should have the element with position absolute, once the scroll offset has reached the element, it should be changed to fixed, and the top position should be set to zero.
You can detect t...
How do I use disk caching in Picasso?
...ew OkHttpClient();
okHttpClient.setCache(new Cache(getCacheDir(), 100 * 1024 * 1024)); //100 MB cache, use Integer.MAX_VALUE if it is too low
OkHttpDownloader downloader = new OkHttpDownloaderDiskCacheFirst(okHttpClient);
Picasso.Builder builder = new Picasso.Builder(this)...
Convert pandas dataframe to NumPy array
... (actually, using rec.fromrecords is a bit faster).
df2 = pd.concat([df] * 10000)
%timeit df2.to_records()
%%timeit
v = df2.reset_index()
np.rec.fromrecords(v, names=v.columns.tolist())
11.1 ms ± 557 µs per loop (mean ± std. dev. of 7 runs, 100 loops each)
9.67 ms ± 126 µs per loop (mean ± s...
How to change an application icon programmatically in Android?
...ant to give it a more stylish look
Bitmap bitmap = Bitmap.createBitmap(100, 100, Bitmap.Config.ARGB_8888);
Paint paint = new Paint();
paint.setColor(0xFF808080); // gray
paint.setTextAlign(Paint.Align.CENTER);
paint.setTextSize(50);
new Canvas(bitmap).drawText(""+number, 50, ...
Left align and right align within div in Bootstrap
...e by Bootstrap 4 Flexbox:
<div class="d-flex justify-content-between w-100">
<p>TotalCost</p> <p>$42</p>
</div>
d-flex // Display Flex
justify-content-between // justify-content:space-between
w-100 // width:100%
Example: JSFiddle
...
What is a practical use for a closure in JavaScript?
...n can be called over time. As in "execute this function at most once every 100 milliseconds."
Code :
const throttle = (func, limit) => {
let isThrottling
return function() {
const args = arguments
const context = this
if (!isThrottling) {
func.apply(context, args)
i...
is of a type that is invalid for use as a key column in an index
...maximum index row size. technet.microsoft.com/en-us/library/ms176089(v=sql.100).aspx
– Daniel Renshaw
May 15 '14 at 11:50
1
...
MySQL: Large VARCHAR vs. TEXT?
...when the size is reasonable". What is a "reasonable" number of characters, 100? 1000? 100,000?
– tim peterson
Sep 22 '13 at 13:56
128
...
Build Eclipse Java Project from Command Line
...ions/Eclipse.app/Contents/Eclipse/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -noSplash -data "workspace" -application org.eclipse.jdt.apt.core.aptBuild
The -data parameter specifies the location of your workspace.
The version number for the equinox launcher will depend on wha...
How to 'minify' Javascript code
....And why bother to compress your code if your clients need to download the 100kb jquery script everythime?how big is your uncompressed code? 5-6kb..? Not to talk about the tons of plugins you add to to make it easier.
Original Code
When you write a function you have an idea, start to write stuff...