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Read url to string in few lines of java code
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Just don't forget you need to call Scanner#close() later.
– Marcelo
Dec 21 '12 at 3:55
2
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JUnit vs TestNG [closed]
...c annotated method that it finds will be used, but it may find them in any order. This causes us to write different classes unnecessarily. However TestNG provides clean way to provide different kind of data providers for each and every method. So we can test the same unit of code with valid and inva...
How to remove the lines which appear on file B from another file A?
...-to-remove> <all-lines>
works on non-sorted files
maintains the order
is POSIX
Example:
cat <<EOF > A
b
1
a
0
01
b
1
EOF
cat <<EOF > B
0
1
EOF
grep -Fvxf B A
Output:
b
a
01
b
Explanation:
-F: use literal strings instead of the default BRE
-x: only consider ma...
Java compile speed vs Scala compile speed
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You should be aware that Scala compilation takes at least an order of magnitude longer than Java to compile. The reasons for this are as follows:
Naming conventions (a file XY.scala file need not contain a class called XY and may contain multiple top-level classes). The compiler may ...
How to group time by hour or by 10 minutes
... BY DATEADD(MINUTE, DATEDIFF(MINUTE, '2000', aa.[date]) / 10 * 10, '2000')
ORDER BY [date_truncated]
If your data spans centuries,&ddagger; using a single anchor date for second- or millisecond grouping will still encounter the overflow. If that is happening, you can ask each row to anchor the...
Conceptually, how does replay work in a game?
...sequence as the recorded actions are supposed to happen have a replay.
In order to get random events to re-occur exactly the same, use seeded pseudo-random numbers and save the seed in the replay file.
So long as you use the same algorithm to generate the random numbers from the seed, you can recr...
How can I use Guzzle to send a POST request in JSON?
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I used a variation of this. I created the Client by itself and added the headers to the $client->post() call instead.
– dazed-and-confused
Sep 9 at 19:28
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Why does Java switch on contiguous ints appear to run faster with added cases?
...value has been removed in JDK 8 after more benchmarking was performed.
Finally, when the method becomes too long (> 25 cases in my tests), it is in not inlined any longer with the default JVM settings - that is the likeliest cause for the drop in performance at that point.
With 5 cases, the d...
Trying to start a service on boot on Android
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Just a complement: make sure your app is install in internal memory <manifest xmlns:android="..." package="..." android:installLocation="internalOnly">
– Bao Le
Aug 9 '11 at 2:00
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Command not found error in Bash variable assignment
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