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Is either GET or POST more secure than the other?
...curity, they are inherently the same. While it is true that POST doesn't expose information via the URL, it exposes just as much information as a GET in the actual network communication between the client and server. If you need to pass information that is sensitive, your first line of defense wou...
Replace all elements of Python NumPy Array that are greater than some value
...stest and most concise way to do this is to use NumPy's built-in Fancy indexing. If you have an ndarray named arr, you can replace all elements >255 with a value x as follows:
arr[arr > 255] = x
I ran this on my machine with a 500 x 500 random matrix, replacing all values >0.5 with 5, an...
How do I edit /etc/sudoers from a script?
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This is a great answer. The whole subshell should be executed as root, e.g. echo "$USER ALL=NOPASSWD:/usr/bin/rsync" | (sudo su -c 'EDITOR="tee" visudo -f /etc/sudoers.d/rsync').
– simon
Aug 19 '15 at 21:58
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SQL how to make null values come last when sorting ascending
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Note however that if you place an index on the sort column to improve performance(*), then this method will somewhat complicate the query plan and lose much of the performance benefit. * - indexes provided the data presorted, hence avoiding a sort per query execu...
How to compare Lists in Unit Testing
... collections, you should use CollectionAssert:
CollectionAssert.AreEqual(expected, actual);
List<T> doesn't override Equals, so if Assert.AreEqual just calls Equals, it will end up using reference equality.
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What is the difference between ng-if and ng-show/ng-hide
...ngIf directive removes or recreates a portion of the DOM tree based on an expression. If the expression assigned to ngIf evaluates to a false value then the element is removed from the DOM, otherwise a clone of the element is reinserted into the DOM.
<!-- when $scope.myValue is truthy (element i...
Rails Object to hash
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Don't use this when looping, Expensive method. Go with as_json
– AnkitG
Jul 10 '13 at 8:07
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How to exit if a command failed?
I am a noob in shell-scripting. I want to print a message and exit my script if a command fails. I've tried:
8 Answers
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random.seed(): What does it do?
I am a bit confused on what random.seed() does in Python. For example, why does the below trials do what they do (consistently)?
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