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How to redirect the output of the time command to a file in Linux?
... edited May 11 '16 at 19:56
benrifkah
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answered Nov 13 '12 at 6:56
Ja...
JavaScript :How to set a Conditional Break Point in Chrome debugger tools
...hat breakpoint. Type an expression and the breakpoint will only pause only if the condition is true.
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SQL query to get all values a enum can have
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If you want an array:
SELECT enum_range(NULL::myenum)
If you want a separate record for each item in the enum:
SELECT unnest(enum_range(NULL::myenum))
Additional Information
This solution works as expected even if ...
How can I calculate the difference between two dates?
...ts will always be time-zone-agnostic.
Furthermore, this documentation specifies that Cocoa's implementation of time does not account for leap seconds, so if you require such accuracy, you will need to roll your own implementation.
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Checking if a SQL Server login already exists
I need to check if a specific login already exists on the SQL Server, and if it doesn't, then I need to add it.
10 Answers
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How to randomize (shuffle) a JavaScript array?
...nswer skips element 0, the condition should be i-- not --i. Also, the test if (i==0)... is superfluous since if i == 0 the while loop will never be entered. The call to Math.floor can be done faster using ...| 0. Either tempi or tempj can be removed and the value be directly assigned to myArray[i] o...
Why can't I push to this bare repository?
...e are no commits in "bare". This is a problem with the first commit only, if you create the repos in the order (bare,alice). Try doing:
git push --set-upstream origin master
This would only be required the first time. Afterwards it should work normally.
As Chris Johnsen pointed out, you would...
Check if value already exists within list of dictionaries?
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Here's one way to do it:
if not any(d['main_color'] == 'red' for d in a):
# does not exist
The part in parentheses is a generator expression that returns True for each dictionary that has the key-value pair you are looking for, otherwise False.
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Differences between Line and Branch coverage
... code, not including comments, conditionals, etc). Branch coverages checks if you took the true and false branch for each conditional (if, while, for). You'll have twice as many branches as conditionals.
Why do you care? Consider the example:
public int getNameLength(boolean isCoolUser) {
User...
Check if a Postgres JSON array contains a string
...d')::jsonb ? 'carrots';
You can even index the ? query on the "food" key if you switch to the jsonb type instead:
alter table rabbits alter info type jsonb using info::jsonb;
create index on rabbits using gin ((info->'food'));
select info->>'name' from rabbits where info->'food' ? 'ca...