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How do I remove an array item in TypeScript?
...t to undefined.
Better to use the Array.prototype.splice function:
const index = myArray.indexOf(key, 0);
if (index > -1) {
myArray.splice(index, 1);
}
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How to set initial value and auto increment in MySQL?
...it
ALTER TABLE users ADD id INT UNSIGNED NOT NULL AUTO_INCREMENT,
ADD INDEX (id);
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How do I undo the most recent local commits in Git?
...-C option.
Beware, however, that if you have added any new changes to the index, using commit --amend will add them to your previous commit.
If the code is already pushed to your server and you have permissions to overwrite history (rebase) then:
git push origin master --force
You can also look at...
What is sharding and why is it important?
...The advantage is the number of rows in each table is reduced (this reduces index size, thus improves search performance). If the sharding is based on some real-world aspect of the data (e.g. European customers vs. American customers) then it may be possible to infer the appropriate shard membership ...
How to automatically reload a page after a given period of inactivity
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Hero! This is perfect thanks. I have my PHP sessions set to expire after an hour, and this is set to refresh a little over an hour. I think this should accomplish the logout after inactivity functionality i'm after.
– Tspesh
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jQuery: count number of rows in a table
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Alternatively...
var rowCount = $('table#myTable tr:last').index() + 1;
jsFiddle DEMO
This will ensure that any nested table-rows are not also counted.
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Append TimeStamp to a File Name
...cates that this is a string placeholder
The zero indicates the index of the parameters inserted here
yyyy- Prints the year in four digits followed by a dash
This has a "year 10000" problem
MM- Prints the month in two digits
dd_ Prints the day...
Request failed: unacceptable content-type: text/html using AFNetworking 2.0
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For PHP it's as easy as adding this to the page: header("Content-Type: application/json"); (unless it's not a JSON response, then XML or something)
– rckehoe
Dec 6 '13 at 15:02
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How to check if array element exists or not in javascript?
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Use typeof arrayName[index] === 'undefined'
i.e.
if(typeof arrayName[index] === 'undefined') {
// does not exist
}
else {
// does exist
}
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Error 908: Permission Receive SMS - #5 by Taifun - MIT App Inventor Help - MIT App Inventor Community
...osition: absolute;
left: 0;
top: 0;
width: 100%;
z-index: 1001;
--animation-state: paused;
}
#d-splash .preloader-image {
max-width: 100%;
height: 100vh;
}
#d-splash .preloader-text-wrapper {
position: absolute;
opacity: 0;
...