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Django - how to create a file and save it to a model's FileField?

...ccessed, gives you an instance of class FieldFile, which gives you several m>mem>thods to interact with the underlying file. So, what you need to do is: self.license_file.save(new_nam>mem>, new_contents) where new_nam>mem> is the filenam>mem> you wish assigned and new_contents is the content of the file. Note th...
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How to replace an entire line in a text file by line number

...cript to replace an entire line in a file. The line number is always the sam>mem>, so that can be a hard-coded variable. 9 Answ...
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Using a bitmask in C#

...o do this is to use the Flags attribute on an enum: [Flags] public enum Nam>mem>s { None = 0, Susan = 1, Bob = 2, Karen = 4 } Then you'd check for a particular nam>mem> as follows: Nam>mem>s nam>mem>s = Nam>mem>s.Susan | Nam>mem>s.Bob; // evaluates to true bool susanIsIncluded = (nam>mem>s & Nam>mem>s.Susa...
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How do I programmatically determine if there are uncommitted changes?

... UPDATE: the OP Daniel Stutzbach points out in the comm>mem>nts that this simple command git diff-index worked for him: git update-index --refresh git diff-index --quiet HEAD -- A more precise option would be to test git status --porcelain=v1 2>/dev/null | wc -l, using the porc...
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space between divs - display table-cell

...eally. Why? margin property is not applicable to display: table-cell elem>mem>nts. padding property doesn't create space between edges of the cells. float property destroys the expected behavior of table-cell elem>mem>nts which are able to be as tall as their parent elem>mem>nt. ...
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Keyboard shortcut to paste clipboard content into command prompt window (Win XP) [closed]

...^Down:: Send {WheelDown} return ; Paste in command window ^V:: ; Spanish m>mem>nu (Editar->Pegar, I suppose English version is the sam>mem>, Edit->Paste) Send !{Space}ep return #IfWinActive share | ...
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Why am I getting ibtool failed with exit code 255?

... I had som>mem>thing similar happen to m>mem> recently using Xcode 4.6 and iOS 6.1. All I did was switch to a different device version (5.1) on the simulator and it ran. Switched back to 6.1 and it fixed itself. Xcode can be unhelpful at ...
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What does “atomic” m>mem>an in programming?

...es the first 32 bits, and a second one which writes the last 32 bits. That m>mem>ans that another thread might read the value of foo, and see the interm>mem>diate state. Making the operation atomic consists in using synchronization m>mem>chanisms in order to make sure that the operation is seen, from any othe...
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How to override to_json in Rails?

... You are getting Argum>mem>ntError: wrong number of argum>mem>nts (1 for 0) because to_json needs to be overridden with one param>mem>ter, the options hash. def to_json(options) ... end Longer explanation of to_json, as_json, and rendering: In Active...
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How to use Swift @autoclosure

... Consider a function that takes one argum>mem>nt, a simple closure that takes no argum>mem>nt: func f(pred: () -> Bool) { if pred() { print("It's true") } } To call this function, we have to pass in a closure f(pred: {2 > 1}) // "It's true" If w...