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How do I check that a number is float or integer?
...viding by 1:
function isInt(n) {
return n % 1 === 0;
}
If you don't know that the argument is a number you need two tests:
function isInt(n){
return Number(n) === n && n % 1 === 0;
}
function isFloat(n){
return Number(n) === n && n % 1 !== 0;
}
Update 2019
5 years a...
JavaScript moving element in the DOM
...his in 2014, please consider this answer. jQuery WAS useful back then, but now it's no so useful anymore, because browsers are standardized, so no need to add a 80 kb library just to do such a simple task. Also, you don't get to know what the DOM really is until you try it without jQuery :)
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What are the pros and cons of the SVN plugins for Eclipse, Subclipse and Subversive? [closed]
...oing SVN-instensive stuff like that...I cheap and jump to TortoiseSVN. BUT now that I'm trying to move to linux dev env...we will need to see.
– demaniak
Mar 12 '14 at 9:04
ad...
Convenient C++ struct initialisation
I'm trying to find a convenient way to initialise 'pod' C++ structs. Now, consider the following struct:
13 Answers
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How do I perform an insert and return inserted identity with Dapper?
... sure this works automatically in future dapper builds. Another option for now is select cast(SCOPE_IDENTITY() as int) - again, a bit ugly. I will fix this.
– Marc Gravell♦
Nov 25 '11 at 14:26
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What is the difference between the HashMap and Map objects in Java?
...eMap instead of HashMap in Foo. I update Foo, changing HashMap to TreeMap. Now, SpecialFoo doesn't compile anymore, because I've broken the contract: Foo used to say it provided HashMaps, but now it's providing TreeMaps instead. So we have to fix SpecialFoo now (and this kind of thing can ripple thr...
calculating the difference in months between two dates
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@Dinah this just an approximation, if you want to know the true .Month and .Years - I've just posted an answer for that which you can read. Although, as far as approximations so, this is a good approximation (props to Adam Robinson) however you should keep in mind that if you...
The type or namespace name could not be found [duplicate]
... ".Net Framework 4 Client Profile"
I changed it to ".Net Framework 4", and now I have a successful build.
Thanks everyone!
I guess it figures that after all that time spent searching online, I find the solution minutes after posting, I guess the trick is knowing the right question to ask..
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How can I shrink the drawable on a button?
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Now the image is displayed but it does not get resized! I tried values between 0.1f and 10f. Any idea? Thanks for your help...
– Reto
Sep 24 '11 at 16:01
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How to change the background color of the options menu?
...runloop
// - android will overwrite almost any setting we make now
final View v = view;
new Handler().post(new Runnable()
{
public void run()
{
v.setBackgroundColor(Color.BLACK);
...