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PHP foreach loop key value

... What, if you echo $key? Nah. Not if you run it on the array that Philadelphia is a key of. Can you show some code? – Pekka Dec 2 '09 at 18:17 ...
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Why does scanf() need “%lf” for doubles, when printf() is okay with just “%f”?

... Since С99 the matching between format specifiers and floating-point argument types in C is consistent between printf and scanf. It is %f for float %lf for double %Lf for long double It just so happens that when arguments of type float are passed as variadic para...
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Should I use .done() and .fail() for new jQuery AJAX code instead of success and error

...tual removal, use jqXHR.done(), jqXHR.fail(), and jqXHR.always() instead. If you are using the callback-manipulation function (using method-chaining for example), use .done(), .fail() and .always() instead of success(), error() and complete(). ...
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Using jquery to get all checked checkboxes with a certain class name

... If there was a need for storing the values in an array, .map could be a more pleasant alternative, as illustrated by karim79's answer. – duplode Nov 5 '13 at 18:40 ...
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Increase number of axis ticks

... You can override ggplots default scales by modifying scale_x_continuous and/or scale_y_continuous. For example: library(ggplot2) dat <- data.frame(x = rnorm(100), y = rnorm(100)) ggplot(dat, aes(x,y)) + geom_point() Gives you this: And overriding the scales c...
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Limit ggplot2 axes without removing data (outside limits): zoom

If you specify axis limits in ggplot the outlying points are removed. This is fine for points, but you might want to plot lines that intersect with the specified range, but ggplot's range or xlim/ylim methods removes these. Is there another way to specify the plot axis range without removing o...
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Elements order in a “for (… in …)” loop

...r? The object I wish to use will be declared once and will never be modified. 9 Answers ...
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Undo a Git commit after push using reverse patch?

... This is not a good option if you use a PR flow; in those cases you will want to make a new commit that put the changes from one commit back to what they were. – b01 Aug 23 '17 at 1:19 ...
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android.content.res.Resources$NotFoundException: String resource ID #0x0

...)); To dateTime.setText(String.valueOf(app.getTotalDl())); There are different versions of setText - one takes a String and one takes an int resource id. If you pass it an integer it will try to look for the corresponding string resource id - which it can't find, which is your error. I guess a...
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How to download HTTP directory with all files and sub-directories as they appear on the online files

... Great answer, but note that if there is a robots.txt file disallowing the downloading of files in the directory, this won't work. In that case you need to add -e robots=off . See unix.stackexchange.com/a/252564/10312 – Daniel Hersh...