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Finding three elements in an array whose sum is closest to a given number
... a better solution because it's easier to read and therefore less prone to errors. The only problem is, we need to add a few lines of code to avoid multiple selection of one element.
Another O(n^2) solution (by using a hashset).
// K is the sum that we are looking for
for i 1..n
int s1 = K - A...
How can I get WebStorm to recognize Jasmine methods?
...ding the global jasmin/karma-jasmine library did not get rid of the JSHint errors.
You need to access the JSHint settings via WebStorm's menu system (Lang & Frameworks>JavaScript>Code Quality Tools>JSHint) and click the checkbox to enable it know which environment it is running in.
...
Correct Bash and shell script variable capitalization
...OB_HOME JOB_LOG JOB_TEMP JOB_RUN_CONTROL
Constants: LOG_DEBUG LOG_INFO LOG_ERROR STATUS_OK STATUS_ERROR STATUS_WARNING
Use "snake case" (all lowercase and underscores) for all variables that are scoped to a single script or a block.
Examples: input_file first_value max_amount num_errors
Use mixed...
How do I get the application exit code from a Windows command line?
...at its return code is (since it returns different codes based on different errors).
7 Answers
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Rename multiple files by replacing a particular pattern in the filenames using a shell script [dupli
...en dash encounters ${file//IMG/myVacation}, it fails with Bad substitution error because this syntax does not conform to POSIX.
– Susam Pal
Sep 22 at 9:38
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What is more efficient? Using pow to square or just multiply it with itself?
...clear.
– KillianDS
May 30 '10 at 23:05
41
Excess use of bold and italics, not easy on the eyes.
...
Convert seconds to Hour:Minute:Second
...s:
$ php file.php
0:11:25
(I've not tested this much, so there might be errors with floor or so)
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How does functools partial do what it does?
..."<pyshell#80>", line 1, in <module>
pfnx(4, 5)
TypeError: fnx() got multiple values for keyword argument 'a'
another use case: writing distributed code using python's multiprocessing library. A pool of processes is created using the Pool method:
>>> import multipr...
Change SQLite database mode to read-write
...
There can be several reasons for this error message:
Several processes have the database open at the same time (see the FAQ).
There is a plugin to compress and encrypt the database. It doesn't allow to modify the DB.
Lastly, another FAQ says: "Make sure that th...
When to use “ON UPDATE CASCADE”
...t table (and you have referential integrity), you should get a foreign key error.
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