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How to install packages using pip according to the requirements.txt file from a local directory?
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Information on --no-index from command pip help install --no-index Ignore package index (only looking at --find-links URLs instead). Information on --find-links from command pip help install -f, --find-links <url> If a...
Is Fortran easier to optimize than C for heavy calculations?
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The languages have similar feature-sets. The performance difference comes from the fact that Fortran says aliasing is not allowed, unless an EQUIVALENCE statement is used. Any code that has aliasing is not valid Fortran, but it is up to the programmer and not the compiler ...
Version vs build in Xcode
...ting with Xcode 4. In the target summary I have the iOS application target form with fields: identifier, version, build, devices, and deployment target. The version field is blank and the build field is 3.4.0 (which matches the version of the app from when I was still editing with Xcode 3).
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Angular directives - when and how to use compile, controller, pre-link and post-link [closed]
...t-link
If one is to use all four function, the directive will follow this form:
myApp.directive( 'myDirective', function () {
return {
restrict: 'EA',
controller: function( $scope, $element, $attrs, $transclude ) {
// Controller code goes here.
},
co...
Reducing memory usage of .NET applications?
...nt is all about demystifying the working set, process memory and how to perform accurate calculations on your total in-RAM consumption.
I will not say that you should ignore the memory footprint of your application -- obviously, smaller and more efficient does tend to be desirable. However, you sho...
Git push won't do anything (everything up-to-date)
... then you can say:
git push origin develop:something-else
However, that form won't set up develop to always push to origin/something-else in future; it's a one-shot operation.
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What algorithm can be used for packing rectangles of different sizes into the smallest rectangle pos
...ing half of the strip until the next item is too wide.
A new baseline is formed and Step (4) is repeated on the lower baseline until all items are packed.
Time complexity: O(n ·log n).
The approximation ratio of Sleator's algorithm is 2.5 which is tight.
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How can I pair socks from a pile efficiently?
...oups.
So hashing would be enough (and faster).
For each color of socks, form a pile. Iterate over all socks in your input basket and distribute them onto the color piles.
Iterate over each pile and distribute it by some other metric (e.g. pattern) into the second set of piles
Recursively apply th...
Rails update_attributes without save?
...s true (the default), then sensitive attributes can be protected from this form of mass-assignment by using the attr_protected macro. Or you can alternatively specify which attributes can be accessed with the attr_accessible macro. Then all the attributes not included in that won’t be allowed to b...
Unable to import a module that is definitely installed
... Not quite true, @MartijnPieters: if there was an import of the form "from <package> import <foo>", and if the obstructing package had no "foo", then you'd get an import error for option 3.
– Dan H
Apr 26 '16 at 21:38
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