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Fastest way to determine if an integer's square root is an integer
I'm looking for the fastest way to determine if a long value is a perfect square (i.e. its square root is another integer):
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Determine if a String is an Integer in Java [duplicate]
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253
Using regular expression is better.
str.matches("-?\\d+");
-? --> negative sign, cou...
Git keeps prompting me for a password
...ading me down the right path though! Success!
– jmort253
Nov 19 '12 at 21:52
3
I can't stress eno...
“Conversion to Dalvik format failed with error 1” on external JAR
...d the two 1.5.4 JAR's and left the 1.7.4 all.
– jmort253
Jun 12 '11 at 22:53
If you have jars in any library projects ...
How to deal with cyclic dependencies in Node.js
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JohnnyHKJohnnyHK
253k5151 gold badges537537 silver badges424424 bronze badges
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How to set web.config file to show full error message
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253
not sure if it'll work in your scenario, but try adding the following to your web.config under...
Decoding JSON using json.Unmarshal vs json.NewDecoder.Decode
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253
It really depends on what your input is. If you look at the implementation of the Decode meth...
How does the bitwise complement operator (~ tilde) work?
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Isn't 11111101 == decimal 253 vs -3?
– AKS
Aug 7 '16 at 10:00
10
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What is BSON and exactly how is it different from JSON?
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JohnnyHKJohnnyHK
253k5151 gold badges537537 silver badges424424 bronze badges
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What regular expression will match valid international phone numbers?
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