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How can I suppress all output from a command using Bash?
...shells):
scriptname &>/dev/null
scriptname >/dev/null 2>&1
scriptname >/dev/null 2>/dev/null
And, if you want to record the messages, but not see them, replace /dev/null with an actual file, such as:
scriptname &>scriptname.out
For completeness, under Windows cmd....
How can I test https connections with Django as easily as I can non-https connections using 'runserv
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111
It's not as simple as the built in development server, but it's not too hard to get something ...
What's the difference between a 302 and a 307 redirect?
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101
The difference concerns redirecting POST, PUT and DELETE requests and what the expectations of...
Append values to a set in Python
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keep.update(yoursequenceofvalues)
e.g, keep.update(xrange(11)) for your specific example. Or, if you have to produce the values in a loop for some other reason,
for ...whatever...:
onemorevalue = ...whatever...
keep.add(onemorevalue)
But, of course, doing it in bulk with a s...
What command means “do nothing” in a conditional in Bash?
... nothing, e.g., here, I want Bash to do nothing when $a is greater than "10", print "1" if $a is less than "5", otherwise, print "2":
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On design patterns: When should I use the singleton?
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How to set a Django model field's default value to a function call / callable (e.g., a date relative
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143
The question is misguided. When creating a model field in Django, you are not defining a func...
Running Windows batch file commands asynchronously
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edited Nov 21 '16 at 16:30
Peter Mortensen
26.5k2121 gold badges9292 silver badges122122 bronze badges
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Which is more efficient, a for-each loop, or an iterator?
...All iterators have as a fundamental requirement that next() should be an O(1) operation, making the loop O(n).
To verify that the iterator is used underwater by the new for loop syntax, compare the generated bytecodes from the following two Java snippets. First the for loop:
List<Integer> a...
Should I index a bit field in SQL Server?
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19 Answers
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