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Get exit code of a background process
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1: In bash, $! holds the PID of the last background process that was executed. That will tell you what process to monitor, anyway.
4: wait <n> waits until the process with PID <n> is complete (it will block until the process completes, so ...
Background ListView becomes black when scrolling
...to create a scrollable list with every row containing a Image on the left side and some text on the right side:
11 Answers
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how to compare two elements in jquery [duplicate]
...ill never be equal in the sense of reference equality.
Assuming:
<div id="a" class="a"></div>
this:
$('div.a')[0] == $('div#a')[0]
returns true.
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bind event only once
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In case you do not want to accidentally unbind other click events, you might want to use function someMethod() { $(obj).off('click.namespace').on('click.namespace', function {}); }
– Manu
Sep 21 '15 at 10:12
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Const in JavaScript: when to use it and is it necessary?
... You should say that this "immutable" behaviour is only applicable to Strings, Basic Types. Using Objects, Arrays etc. it is possible to change the values but it is not possible to re-assign an new "Object", e.g. const a = ["a","b"]; a = []; will throw an error otherwise it is possible
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Swift native base class or NSObject
...yClass' is not convertible to 'MirrorDisposition'"
class MyClass {
let mString = "Test"
func getAsString() -> String {
return mString
}
func testIncorrect_CompilerShouldSpot() {
var myString = "Compare to me"
var myObject = MyClass()
if (myObject == myString) {
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Embed YouTube video - Refused to display in a frame because it set 'X-Frame-Options' to 'SAMEORIGIN'
...sure the URL contains embed rather watch as the /embed endpoint allows outside requests, whereas the /watch endpoint does not.
<iframe width="420" height="315" src="https://www.youtube.com/embed/A6XUVjK9W4o" frameborder="0" allowfullscreen></iframe>
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Is it possible to perform a 'grep search' in all the branches of a Git project?
... to see more recent (relevant) changes first.
git log -p --all -S 'search string'
git log -p --all -G 'match regular expression'
These log commands list commits that add or remove the given search string/regex, (generally) more recent first. The -p option causes the relevant diff to be shown wher...
How to Delete using INNER JOIN with SQL Server?
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@bluefeet could you provide the right syntax for SQL Server for deleting from both tables?
– oabarca
May 21 '14 at 14:43
47
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What is lexical scope?
...ble all variables in interface section of aUnit
interface
var aGlobal: string; // global in the scope of all units that use Main;
type
TmyClass = class
strict private aPrivateVar: Integer; // only known by objects of this class type
// lexical: wi...