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When to use ko.utils.unwrapObservable?

...re when to use ko.utils.unwrapObservable(item) Looking at the code, that call basically checks to see if item is an observable. If it is, return the value(), if it's not, just return the value. Looking at the section on Knockout about creating custom bindings, they have the following syntax: ...
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How to configure 'git log' to show 'commit date'

How can I configure git log to show commit date instead of author date ? 3 Answers ...
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Saving grid.arrange() plot to file

...b, on the other hand, doesn't draw anything but returns a grob g, that you can pass to ggsave(file="whatever.pdf", g). The reason it works differently than with ggplot objects, where by default the last plot is being saved if not specified, is that ggplot2 invisibly keeps track of the latest plot, ...
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How to create full compressed tar file using Python?

How can I create a .tar.gz file with compression in Python? 6 Answers 6 ...
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Why do results vary based on curly brace placement?

...not end with a semicolon, but could be the end of a statement, are automatically terminated, so your first example looks effectively like this: function test() { return; // <- notice the inserted semicolon { javascript: "fantastic" }; } See also Douglas Crockford's JS style guide, ...
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Postgres manually alter sequence

...('payments_id_seq', 21, true); # next value will be 22 Otherwise you're calling setval with a single argument, while it requires two or three. share | improve this answer | ...
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How to attach debugger to iOS app after launch?

...n I get this message: warning: Unable to read symbols for /var/mobile/Applications/ {GUID}/{APPNAME}.app/{APPNAME} (file not found). When I press the "stop" button in XCode, the app terminates. Looks like it's not finding the debug symbols, though it is being built in debug mode. Any ideas? ...
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How to set 'auto' for upper limit, but keep a fixed lower limit with matplotlib.pyplot

... You can pass just left or right to set_xlim: plt.gca().set_xlim(left=0) For the y axis, use bottom or top: plt.gca().set_ylim(bottom=0) share ...
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Nested attributes unpermitted parameters

... objects. The Due object also belongs to a Person . I want a form that can create the Bill and its children Dues all in one page. I am trying to create a form using nested attributes, similar to ones in this Railscast . ...
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Is PHP's count() function O(1) or O(n) for arrays?

...ount() really count the all the elements of a PHP array, or is this value cached somewhere and just gets retrieved? 3 Answ...