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FormData.append(“key”, “value”) is not working
...me newer browsers, this is no longer true and you can now see the data provided to FormData in addition to just stuffing data into it. See the accepted answer for more info.
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Generate a random point within a circle (uniformly)
...nts should be the same regardless of how far from the center we look. This means for example, that looking on the perimeter of a circle with circumference 2 we should find twice as many points as the number of points on the perimeter of a circle with circumference 1.
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Find nearest latitude/longitude with an SQL query
...fore the decimal, e.g. -123.456789 degrees. Your table should also have an id attribute to serve as the primary key.
CREATE TABLE `markers` (
`id` INT NOT NULL AUTO_INCREMENT PRIMARY KEY ,
`name` VARCHAR( 60 ) NOT NULL ,
`address` VARCHAR( 80 ) NOT NULL ,
`lat` FLOAT( 10, 6 ) NOT NULL ,
`l...
When should I use require() and when to use define()?
...unction accepts two optional parameters (a string that represent a module ID and an array of required modules) and one required parameter (a factory method).
The return of the factory method MUST return the implementation for your module (in the same way that the Module Pattern does).
The require...
How to determine if a type implements a specific generic interface type
... why not just cast to IBar<SomeClass> and check for null? (I mean casting with 'as' of course)
– Pablo Retyk
Feb 2 '09 at 14:04
5
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Is there a way to get version from package.json in nodejs code?
...cations.
Be careful not to expose your package.json to the client, as it means that all your dependency version numbers, build and test commands and more are sent to the client.
If you're building server and client in the same project, you expose your server-side version numbers too.
Such spec...
What happened to “HelveticaNeue-Italic” on iOS 7.0.3
...OS7. They can even change during the lifetime of your app. Which basically means: When you specify fonts in your app, you are screwed, use font descriptors or preferred fonts instead!
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How to use PyCharm to debug Scrapy projects
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The scrapy command is a python script which means you can start it from inside PyCharm.
When you examine the scrapy binary (which scrapy) you will notice that this is actually a python script:
#!/usr/bin/python
from scrapy.cmdline import execute
execute()
This mea...
SQL how to increase or decrease one for a int column in one command
.....
To answer the second:
There are several ways to do this. Since you did not specify a database, I will assume MySQL.
INSERT INTO table SET x=1, y=2 ON DUPLICATE KEY UPDATE x=x+1, y=y+2
REPLACE INTO table SET x=1, y=2
They both can handle your question. However, the first syntax allows for...
Callback of .animate() gets called twice jquery
...vin B pointed this out in his answer when the question was first asked. I didn't until four years later when I noticed it was missing, added it, and...then saw Kevin's answer. Please give his answer the love it deserves. I figured as this is the accepted answer, I should leave it in.)
Here's an exa...