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Nodejs send file in response
...onse.writeHead(400, {"Content-Type": "text/plain"});
response.end("ERROR File does not exist");
}
});
}
}
The purpose of the Content-Type field is to describe the data contained in the body fully enough that the receiving user agent can pick an appropriate agent or mechanism...
Is it alright to use target=“_blank” in HTML5?
...ways bring up the pop-up alert in most browsers. XHTML will always show an error with the target attribute in a validate.
HTML 5 brought it back because we still use it. It's our friend and we can't let go.
Never let go.
...
Django - How to rename a model field using South?
...his method, tested that the uniqueness constraint still existed and got an error but the name of the constraint itself was still using the old column name. Perhaps an explicit db.delete_unique and db.create_unique would have done it but I decided to go with sjh's solution.
– Lo...
Avoid trailing zeroes in printf()
...
What about something like this (might have rounding errors and negative-value issues that need debugging, left as an exercise for the reader):
printf("%.0d%.4g\n", (int)f/10, f-((int)f-(int)f%10));
It's slightly programmatic but at least it doesn't make you do any string ma...
Delete all but the most recent X files in bash
...'NR>5' | xargs rm -f if you prefer pipes and you need to suppress the error if there is nothing to be deleted.
– H2ONaCl
Jul 30 '14 at 7:58
...
How do I get NuGet to install/update all the packages in the packages.config?
... have auto-restore enabled for solution but "Build" still gives me lots of error because of missing references (packages have not been restored from packages.config).
– Borek Bernard
Mar 9 '12 at 19:54
...
How can I get the console logs from the iOS Simulator?
...'
xcrun simctl spawn booted log stream --predicate 'eventMessage contains "error" and messageType == info'
# a log dump that Console.app can open
xcrun simctl spawn booted log collect
# open location where log collect will write the dump
cd `xcrun simctl getenv booted SIMULATOR_SHARED_RESOURCES_DI...
Use PHP composer to clone git repo
...
I was encountering the following error: The requested package my-foo/bar could not be found in any version, there may be a typo in the package name.
If you're forking another repo to make your own changes you will end up with a new repository.
E.g:
https:...
Difference between Select Unique and Select Distinct
...raint that all values to be inserted must be different from the others.
An error can be witnessed if one tries to enter a duplicate value.
Distinct results in the removal of the duplicate rows while retrieving data.
Example:
SELECT DISTINCT names FROM student ;
CREATE TABLE Persons (
Id varchar NOT...
Start ssh-agent on login
...it is complicated to maintain;
it evaluates storage file which may lead to errors or security breach;
it starts agent but doesn't stop it which is close equivalent to leaving the key in ignition.
If your keys do not require to type password, I suggest following solution. Add the following to your ...