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How do I delete everything in Redis?
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1202
With redis-cli:
FLUSHDB – Deletes all keys from the connection's current database.
FLUSHALL...
How to get the last char of a string in PHP?
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1021
substr("testers", -1); // returns "s"
Or, for multibytes strings :
substr("multibyte string...
Get elements by attribute when querySelectorAll is not available without using libraries?
...[];
var allElements = document.getElementsByTagName('*');
for (var i = 0, n = allElements.length; i < n; i++)
{
if (allElements[i].getAttribute(attribute) !== null)
{
// Element exists with attribute. Add to array.
matchingElements.push(allElements[i]);
}
}
retur...
How to write a Python module/package?
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edited Mar 30 '18 at 13:11
abccd
20.9k88 gold badges5656 silver badges6868 bronze badges
a...
How do I create a dynamic key to be added to a JavaScript object variable [duplicate]
...t just means that given an array instance, the properties with names like "0", "5", "207", and so on, are all treated specially in that their existence determines the value of length. And, on top of that, the value of length can be set to remove such properties. Setting the length of an array to 0 e...
Ignore parent padding
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Easy fix, just do
margin:-10px
on the hr.
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Asynchronously wait for Task to complete with timeout
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How about this:
int timeout = 1000;
var task = SomeOperationAsync();
if (await Task.WhenAny(task, Task.Delay(timeout)) == task) {
// task completed within timeout
} else {
// timeout logic
}
And here's a great blog post "Crafting a Task.TimeoutA...
Apache shows PHP code instead of executing it
...ted Feb 21 at 11:54
SuperSandro2000
34566 silver badges1313 bronze badges
answered Aug 27 '12 at 12:49
Daniel ...
Android studio Gradle icon error, Manifest Merger
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Latest versions of android 2.0. not working. Whoever answered should update this Q if he meant saving generations else it will be useless soon
– Karue Benson Karue
Jun 21 '16 at 22:43
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