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How to check if string input is a number? [duplicate]
How do I check if a user's string input is a number (e.g. -1 , 0 , 1 , etc.)?
24 Answers
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How can I insert values into a table, using a subquery with more than one result?
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150
You want:
insert into prices (group, id, price)
select
7, articleId, 1.50
from article w...
How to display length of filtered ng-repeat data
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For Angular 1.3+ (credits to @Tom)
Use an alias expression (Docs: Angular 1.3.0: ngRepeat, scroll down to the Arguments section):
<div ng-repeat="person in data | filter:query as filtered">
</div>
For Angular prior to 1.3...
difference between collection route and member route in ruby on rails?
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413
A member route will require an ID, because it acts on a member. A collection route doesn't beca...
Modifying a query string without reloading the page
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192
If you are looking for Hash modification, your solution works ok. However, if you want to chan...
Restore LogCat window within Android Studio
I have recently started to use Android Studio v0.1.1, And i can't seem to find LogCat... Is it gone? Or if not, how can I enable it?
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Object-orientation in C
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31
C Object System (COS) sounds promising (it's still in alpha version). It tries to keep minimal t...
How does git compute file hashes?
The SHA1 hashes stored in the tree objects (as returned by git ls-tree ) do not match the SHA1 hashes of the file content (as returned by sha1sum )
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How do I Convert DateTime.now to UTC in Ruby?
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156
d = DateTime.now.utc
Oops!
That seems to work in Rails, but not vanilla Ruby (and of course ...
How to use OR condition in a JavaScript IF statement?
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11 Answers
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