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MySQL ON DUPLICATE KEY - last insert id?
...le (a) VALUES (0)
ON DUPLICATE KEY UPDATE id=LAST_INSERT_ID(id), a=1
Is all here: http://dev.mysql.com/doc/refman/5.0/en/insert-on-duplicate.html
If a table contains an AUTO_INCREMENT column and INSERT ... UPDATE
inserts a row, the LAST_INSERT_ID() function returns the
AUTO_INCREMENT value. If t...
How many database indexes is too many?
...oject with a rather large Oracle database (although my question applies equally well to other databases). We have a web interface which allows users to search on almost any possible combination of fields.
...
When to prefer JSON over XML?
...erate with environments that don't support JSON
Favor JSON over XML when all of these are true:
Messages don't need to be validated, or validating their deserialization is simple
You're not transforming messages, or transforming their deserialization is simple
Your messages are mostly data, not ...
What is “X-Content-Type-Options=nosniff”?
... You must mention that is for servers hosting untrusted content. For websites that don't display content from user uploads, you don't need to set this.
– machineaddict
Jul 15 '14 at 9:43
...
Difference between SRC and HREF
...o is the case with iframe]
This is the reason why it is advisable to load all JavaScript files at the bottom (before the </body> tag)
update : Refer @John-Yin's answer for more info on how it is implemented as per HTML 5 specs.
...
How to set input type date's default value to today?
...ides enough built-in support for the required format to avoid doing it manually:
Add this for correct timezone support:
Date.prototype.toDateInputValue = (function() {
var local = new Date(this);
local.setMinutes(this.getMinutes() - this.getTimezoneOffset());
return local.toJSON().slic...
Wait for all promises to resolve
...ltiple promise chains of an unknown length. I want some action to run when all the CHAINS have been processed. Is that even possible? Here is an example:
...
Android Endless List
...ling in the middle of the screen? it should only load the next 10 when actually reaching the list bottom.
– Matthias
Aug 5 '10 at 10:13
9
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How is an HTTP POST request made in node.js?
...nt way I use ajax in JS, ever, and certainly one of the most common on the web.
– Kyle Baker
Feb 7 '17 at 19:24
...
Browserify - How to call function bundled in a file generated through browserify in browser
...cess the modules from outside of the browserified code – if you want to call code in a browserified module, you're supposed to browserify your code together with the module. See http://browserify.org/ for examples of that.
Of course, you could also explicitly make your method accessible from outs...