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Finding the Eclipse Version Number
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(Update September 2012):
MRT points out in the comments that "Eclipse Version" question references a .eclipseproduct in the main folder, and it contains:
name=Eclipse Platform
id=org.eclipse.platform
version=3.x.0
So that seems more straightforward than my o...
Any reason to clean up unused imports in Java, other than reducing clutter?
...e build server started failing compilation (not even test running) with an out of memory error. It ran fine forever and the check-ins didn't have any changes to the build process or significant additions that could explain this. After attempting to increase memory settings (this is running a 64 bit ...
UDP vs TCP, how much faster is it? [closed]
..., all pushing packets as fast as they can go, and see how well things work out for you.
On a larger scale, this TCP behavior is what keeps the Internet from locking up into "congestion collapse".
Things that tend to push applications towards UDP:
Group delivery semantics: it's possible to do re...
Breakpoints are crossed out, how can I make them valid?
...akpoints one day in my efforts to clear all breakpoints, I had forgotten about this! Thanks for the eye opener!
– Aadi Droid
Sep 26 '13 at 4:53
2
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How do I instantiate a Queue object in java?
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@Tom didn't take out the anonymous class info as it's good to know it is possible, but I put in the "Write your own implementation" before it which distances it further from the first listed (more common) alternatives.
–...
SQL Server - copy stored procedures from one db to another
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$server = "servername"
$database = "databaseName"
$output_path = "D:\prod_schema_backup"
$login = "username"
$password = "password"
$schema = "dbo"
$table_path = "$output_path\table\"
$storedProcs_path = "$output_path\stp\"
$views_path = ...
Java 8 Iterable.forEach() vs foreach loop
... an ExecutorService. Streams are both automagical (read: don't know much about your problem) and use a specialized (read: inefficient for the general case) parallelization strategy (fork-join recursive decomposition).
Makes debugging more confusing, because of the nested call hierarchy and, god for...
How do I calculate someone's age in Java?
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Check out Joda, which simplifies date/time calculations (Joda is also the basis of the new standard Java date/time apis, so you'll be learning a soon-to-be-standard API).
EDIT: Java 8 has something very similar and is worth check...
boundingRectWithSize for NSAttributedString returning wrong size
...d in the paragraphRect is almost always a fractional value. So it may come out saying 141.3 as the height. You need use the result from ceilf(paragraphRect.size.height) so that it rounds up. I forget this all the time and wonder why my labels are still clipping.
– jamone
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How to randomize (or permute) a dataframe rowwise and columnwise?
...place=FALSE (the default) to sample(...) ensures that sampling is done without replacement which accomplishes a row wise shuffle.
Shuffle column-wise:
> df3 <- df1[,sample(ncol(df1))]
> df3
c a b
1 0 1 1
2 0 1 0
3 0 0 1
4 0 0 0
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