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Exploitable PHP functions

...of control pcntl_exec - Executes a program PHP Code Execution Apart from eval there are other ways to execute PHP code: include/require can be used for remote code execution in the form of Local File Include and Remote File Include vulnerabilities. eval() assert() - identical to eval() preg...
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Clear variable in python

...efined it in the first place. A value of None in Python is quite different from an undefined variable. None is quite like most other incarnations of null, however (until we get into more arcane details, at least). – Ben Nov 23 '11 at 5:57 ...
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Passing arrays as parameters in bash

... --iread --msix --iwrite --msi --iread --msi --iwrite Edit/notes: (from comments below) descTable and optsTable are passed as names and are expanded in the function. Thus no $ is needed when given as parameters. Note that this still works even with descTable etc being defined with local, b...
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Replace one substring for another string in shell script

... This answer stopped me from using sed with the pwd command to avoid defining a new variable each time my custom $PS1 runs. Does Bash provide a more general way than magic variables to use the output of a command for string replacement? As for your ...
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How to convert a Java 8 Stream to an Array?

... If you want to get an array of ints, with values form 1 to 10, from a Stream, there is IntStream at your disposal. Here we create a Stream with a Stream.of method and convert an Stream to an IntStream using a mapToInt. Then we can call IntStream's toArray method. Stream<Integer> ...
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What is the most “pythonic” way to iterate over a list in chunks?

... Modified from the recipes section of Python's itertools docs: from itertools import zip_longest def grouper(iterable, n, fillvalue=None): args = [iter(iterable)] * n return zip_longest(*args, fillvalue=fillvalue) Example I...
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Reorder bars in geom_bar ggplot2

I am trying to make a bar-plot where the plot is ordered from the miRNA with the highest value to the miRNA with the lowest. Why does my code not work? ...
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Downcasting shared_ptr to shared_ptr?

... I didn't understand from the first line that he's not using std::shared_ptr. But from the comments of the first answer I inferred that he's not using boost, so he may be using std::shared_ptr. – Massood Khaari ...
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How to crop an image in OpenCV using Python

...Suppose you load N images each is >1MP and you need only 100x100 region from the upper left corner. Slicing: X = [] for i in range(N): im = imread('image_i') X.append(im[0:100,0:100]) # This will keep all N images in the memory. # Because they are still u...
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In Android, how do I set margins in dp programmatically?

... From which package should I import that particular LayoutParams? – stealthjong Oct 4 '12 at 13:41 8 ...