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How do I return multiple values from a function? [closed]
...ong lists of tuples, such as results of DB queries). For individual items (if the function in question is not called often) dictionaries and classes are just fine as well. But namedtuples are a nice/nicer solution in this case as well.
– Lutz Prechelt
Feb 23 '1...
How to update maven repository in Eclipse?
... while preserving your .project settings and other eclipse config files.
If you want to clear your old settings for whatever reason, you can run:
mvn eclipse:clean
mvn eclipse:eclipse
mvn eclipse:clean will erase your old settings, then mvn eclipse:eclipse will create new .project, .classpath a...
Open a project in a new window in IntelliJ after “accidentally” clicking remember decision
...w - at least on Windows, running IntelliJ 14.0.3 Community edition. Useful if you only want to open a new window from time to time... :)
Unfortunately, this doesn't work with File > Open...
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How do I forward declare an inner class? [duplicate]
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You can use friend to work around this, if you want.
– Erik Aronesty
Jun 14 '16 at 16:32
5
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How to print the ld(linker) search path
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You can try to manually specify library paths with the -L option to GCC, which I think (not sure) will override the system library paths. You could also try to set the LIBRARY_PATH env variable before compiling: $ LIBRARY_PATH=/somedir/ gcc ...
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Get only part of an Array in Java?
...dIndex bigger than the size of the array passed as the first argument. So, if you want a full copy, create a variable referring to this array and use Arrays.copyOfRange(var, 0, var.length) or Arrays.copyOf(var, var.length)
– elias
Nov 17 '16 at 11:18
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Why does pylint object to single character variable names?
...n [customer_address for customer_address in thing.get_customer_addresses() if customer_address.is_proper()] vs return [a for a in thing.get_customer_addresses() if a.is_proper()] I claim the latter is more clear, as a is obvious from the context. In general, variable length should correlate ...
INSERT INTO…SELECT for all MySQL columns
..., ..., coln
FROM this_table
WHERE entry_date < '2011-01-01 00:00:00';
If the id columns is an auto-increment column and you already have some data in both tables then in some cases you may want to omit the id from the column list and generate new ids instead to avoid insert an id that already e...
Align inline-block DIVs to top of container element
When two inline-block div s have different heights, why does the shorter of the two not align to the top of the container? ( DEMO ):
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Random shuffling of an array
...ing Fisher–Yates shuffle
static void shuffleArray(int[] ar)
{
// If running on Java 6 or older, use `new Random()` on RHS here
Random rnd = ThreadLocalRandom.current();
for (int i = ar.length - 1; i > 0; i--)
{
int index = rnd.nextInt(i + 1);
// Simple swap
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