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Java: How to convert List to Map
...tring.valueOf(i % 3), i -> i));
When running this code, you'll get an error saying java.lang.IllegalStateException: Duplicate key 1. This is because 1 % 3 is the same as 4 % 3 and hence have the same key value given the key mapping function. In this case you can provide a merge operator.
Here'...
Change name of iPhone app in Xcode 4
...es the bundle identifier so iot is not possible to compile the app without error message.
– headkit
Mar 4 '13 at 9:41
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show 1 more comment
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PostgreSQL: How to pass parameters from command line?
...11-12'" -c 'select * from table_1 where id = :v1;' will generate a syntax error. However, if bash is your shell, you might try: psql -v v1=12 -v v2="'Hello World'" -v v3="'2010-11-12'" <<< 'select * from table_1 where id = :v1;' to good effect.
– malcook
...
Undoing a 'git push'
...ds set on the remote repository. If this is the case, then you will get an error which includes the phrase [remote rejected].
In this scenario, you will have to delete and recreate the branch.
git push origin :alpha-0.3.0
git push origin cc4b63bebb6:refs/heads/alpha-0.3.0
If this doesn't work - ...
Return a “NULL” object if search result not found
... return attributes[i];
//if not found
throw no_such_attribute_error;
}
It's likely that not finding attributes is a normal part of execution, and hence not very exceptional. The handling for this would be noisy. A null value cannot be returned because it's undefined behaviour to hav...
How to pass boolean values to a PowerShell script from a command prompt
...'$false'
+ CategoryInfo : InvalidData: (:) [f], ParentContainsErrorRecordException
+ FullyQualifiedErrorId : ParameterArgumentTransformationError,f
Instead of using -File you could try -Command, which will evaluate the call as script:
CMD> powershell.exe -NoProfile -Command .\...
Check if an array is empty or exists
...ed" && array.length > 0) because if array is null we'll get TypeError: Cannot read property 'length' of null.
– Pooyan Khosravi
May 9 '14 at 20:56
...
How To: Execute command line in C#, get STD OUT results
...ompletely because the process has written sufficient data to the p.StandardError stream. When the stream becomes full, it appears that the process will halt until the data is consumed, so I have to read both StandardError and StandardOutput in order to guarantee that a task executes correctly.
...
git: undo all working dir changes including new files
...
@Vincent: The -- avoids typing errors by telling the checkout command that no more parameters are specified. Without them you could end with a new branch instead of reseting the current one!
– Igor Rodriguez
Feb 13 '1...
How to cancel/abort jQuery AJAX request?
...tags input.
You can further extend this function by adding definition of error callback - what should happen if request was aborted.
Common use-case for this snippet would be a text input that fires on keypress event. You can use a timeout, to prevent sending (some of) requests that you will hav...