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Difference between EXISTS and IN in SQL?
...s keyword can be used in that way, but really it's intended as a way to avoid counting:
--this statement needs to check the entire table
select count(*) from [table] where ...
--this statement is true as soon as one match is found
exists ( select * from [table] where ... )
This is most useful ...
How to see all TODO tasks in Android Studio?
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You can find this "view" on bottom left menu bar.
Called TODO
(or)
Android Studio
go to View -> Tool Windows -> TODO to display the TODO panel
Anything marked
// TODO
should be visible in the list panel
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How to open the Google Play Store directly from my Android application?
... startActivity(new Intent(Intent.ACTION_VIEW, Uri.parse("market://details?id=" + appPackageName)));
} catch (android.content.ActivityNotFoundException anfe) {
startActivity(new Intent(Intent.ACTION_VIEW, Uri.parse("https://play.google.com/store/apps/details?id=" + appPackageName)));
}
We use ...
Transparent background with three.js
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this is called a solition. "just paste this code line". Not finding smth easy like this often in three.js. thanks bro
– messerbill
Mar 6 '17 at 18:54
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Why not abstract fields?
...e be null if you don't set it counts as "enforcement", then what would you call non-enforcement?
– Laurence Gonsalves
Feb 6 '10 at 1:56
9
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Download JSON object as a file from browser
...ior without explicit clicking since I want to trigger the download automatically at some point from js.
JS solution (no HTML required):
function downloadObjectAsJson(exportObj, exportName){
var dataStr = "data:text/json;charset=utf-8," + encodeURIComponent(JSON.stringify(exportObj));
var...
Make function wait until element exists
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If you have access to the code that creates the canvas - simply call the function right there after the canvas is created.
If you have no access to that code (eg. If it is a 3rd party code such as google maps) then what you could do is test for the existence in an interval:
var checkExi...
Android and setting alpha for (image) view alpha
...e alternative is to use View.setAlpha(float) whose XML counterpart is android:alpha. It takes a range of 0.0 to 1.0 instead of 0 to 255. Use it e.g. like
<ImageView android:alpha="0.4">
However, the latter in available only since API level 11.
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Testing if object is of generic type in C#
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The call to GetGenericTypeDefinition will throw if it's not a generic type. Make sure you check that first.
– Kilhoffer
Jan 16 '19 at 15:57
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Handling a colon in an element ID in a CSS selector [duplicate]
JSF is setting the ID of an input field to search_form:expression . I need to specify some styling on that element, but that colon looks like the beginning of a pseudo-element to the browser so it gets marked invalid and ignored. Is there anyway to escape the colon or something?
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