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What is the way to quick-switch between tabs in Xcode 4
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If the shortcuts don't work (because of language, for example), you can define custom shortcut:
XCode -> Preferences -> Key bindings
Make sure that "all" is selected
Define shortcuts for "Select Previous Tab" and "Select Next Tab"
I used cmd+pageup and cmd+pagedown...
Gson: Directly convert String to JsonObject (no POJO)
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use JsonParser; for example:
JsonParser parser = new JsonParser();
JsonObject o = parser.parse("{\"a\": \"A\"}").getAsJsonObject();
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How do I bind to list of checkbox values with AngularJS?
...rray of objects. Each solution has it pros and cons. Below you'll find one for each case.
With a simple array as input data
The HTML could look like:
<label ng-repeat="fruitName in fruits">
<input
type="checkbox"
name="selectedFruits[]"
value="{{fruitName}}"
ng-checke...
Selecting only numeric columns from a data frame
...e sapply, even though it's less code
## nums <- sapply(x, is.numeric)
For a more idiomatic modern R I'd now recommend
x[ , purrr::map_lgl(x, is.numeric)]
Less codey, less reflecting R's particular quirks, and more straightforward, and robust to use on database-back-ended tibbles:
dplyr::se...
Python base64 data decode
...f base64 encoded data, and I want to use python base64 module to extract information from it. It seems that module does not work. Can anyone tell me how?
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Showing line numbers in IPython/Jupyter Notebooks
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CTRL - ML toggles line numbers in the CodeMirror area. See the QuickHelp for other keyboard shortcuts.
In more details CTRL - M (or ESC) bring you to command mode, then pressing the L keys should toggle the visibility of current cell line numbers. In more recent notebook versions Shift-L should t...
How to See the Contents of Windows library (*.lib)
...o symbols exported from a DLL), then you want DUMPBIN /EXPORTS.
Note that for functions linked with the "C" binary interface, this still won't get you return values, parameters, or calling convention. That information isn't encoded in the .lib at all; you have to know that ahead of time (via proto...
Ruby Hash to array of values
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Exactly what I was looking for when trying to create an array from a hash using it's keys as values. Thanks :)
– Fabian Leutgeb
Mar 5 '16 at 18:15
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Python: how to print range a-z?
...4:2]
'acegikm'
To do the urls, you could use something like this
[i + j for i, j in zip(list_of_urls, string.ascii_lowercase[:14])]
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Could not locate Gemfile
...where you run that command.
Gemfile is a file containing your gem settings for a current program.
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