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How to check the version before installing a package using apt-get?
...redis/redis-server_2.8.4-2_amd64.deb
Size: 267446
MD5sum: 066f3ce93331b876b691df69d11b7e36
SHA1: f7ffbf228cc10aa6ff23ecc16f8c744928d7782e
SHA256: 2d273574f134dc0d8d10d41b5eab54114dfcf8b716bad4e6d04ad8452fe1627d
Description-en: Persistent key-value database with network interface
Redis is a key-valu...
Convert integer into byte array (Java)
...toByteArray();
System.out.println(Arrays.toString(array))
// --> {-86, -69, -52, -35 }
The returned array is of the size that is needed to represent the number, so it could be of size 1, to represent 1 for example. However, the size cannot be more than four bytes if an int is passed.
From Str...
How to round float numbers in javascript?
...6.688689).toFixed(1); // equal to 6.7
(6.688689).toFixed(2); // equal to 6.69
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In c# is there a method to find the max of 3 numbers?
...,2) 43ms, (2,1) ~38ms, Inlined ~ (1,2) 58ms, (2,1) ~53ms, Delegated~ (1,2) 69ms, (2,1) ~61ms. -> Math on 3 values: ~55ms, Inlined: ~62ms. -> 4 values: ~75ms vs ~80ms... All done by 10 million iterations and 5 measurements... If you turn on optimizations the trend turns and Math wins more the m...
How to enumerate an object's properties in Python?
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gimelgimel
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What can be the reasons of connection refused errors?
...d send a TCP RST back to you.
See https://tools.ietf.org/html/rfc793 page 69:
SYN-RECEIVED STATE
If the RST bit is set
If this connection was initiated with a passive OPEN (i.e., came
from the LISTEN state), then return this connection to LISTEN state
and return. The user need ...
AngularJS For Loop with Numbers & Ranges
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I came up with a slightly different syntax which suits me a little bit more and adds an optiona...
Finding the type of an object in C++
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Ana BettsAna Betts
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Failed to execute goal org.apache.maven.plugins:maven-surefire-plugin:2.10:test
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69
I had similar issue, I was able to solve it using -U option along with mvn command as
mvn clea...
What is the best data type to use for money in C#?
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69
Use the Money pattern from Patterns of Enterprise Application Architecture; specify amount as d...