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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...
SVN 405 Method Not Allowed
...ld not update with it, I cannot determine.
– roadsunknown
Aug 31 '10 at 23:14
1
Was the case here...
Parsing JSON Object in Java [duplicate]
...
now you can change the return type of the parseJson and getArray to String and add them into an ArrayList which you can later iterate over to get the required data :)
– Code
Jul 1 '13 at...
Import an existing git project into GitLab?
...itlab http://gitlab.example.com/raveren/kint.git
git push gitlab --mirror
Now if you have a locally cloned repository that you want to keep using with the new remote, just run the following commands* there:
git remote remove origin
git remote add origin http://gitlab.example.com/raveren/kint.git
gi...
How did Google manage to do this? Slide ActionBar in Android application
... to implement this (the side navigation) in an app of my own, does anyone know how Google managed to do this?
8 Answers
...
What is Gradle in Android Studio?
...using Eclipse for your development purposes, and, chances are, you didn't know how to build your Android APK without Eclipse.
You can do this on the command line, but you have to learn what each tool (dx, aapt) does in the SDK.
Eclipse saved us all from these low level but important, fundamental de...
What is meant with “const” at end of function declaration? [duplicate]
...4) will internally correspond to something like Foo f; Foo_Bar(&f, 4). Now adding the const at the end (int Foo::Bar(int random_arg) const) can then be understood as a declaration with a const this pointer: int Foo_Bar(const Foo* this, int random_arg). Since the type of this in such case is cons...
Stop Chrome Caching My JS Files
...
As of Chrome 61.0.3163.100, it seems that the option now lives under More Tools/Network Conditions. "Developer Tools" option no longer exists.
– justian17
Oct 17 '17 at 13:44
...
Rails 3: Get Random Record
...-----+---------------+---------+---------+-------+------+-------+
we can now use only indexes and the primary key and do the job about 500 times faster!
UPDATE:
as pointed out by icantbecool in comments the above solution has a flaw if there are deleted records in the table.
A workaround in tha...
Shell - How to find directory of some command?
I know that when you are on shell, the only commands that can be used are the ones that can be found on some directory set on PATH.
Even I don't know how to see what dirs are on my PATH variable (and this is another good question that could be answered), what I'd like to know is:
...