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Changing one character in a string

What is the easiest way in Python to replace a character in a string? 11 Answers 11 ...
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how to concatenate two dictionaries to create a new one in Python? [duplicate]

Say I have three dicts 5 Answers 5 ...
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How to find out if an item is present in a std::vector?

All I want to do is to check whether an element exists in the vector or not, so I can deal with each case. 18 Answers ...
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Rebase array keys after unsetting elements

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How to prettyprint a JSON file?

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Running Composer returns: “Could not open input file: composer.phar”

I am new to symfony2 and reading symblog . In third chapter while trying with data-fixtures I tried the command: 36 Answe...
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Unix command to find lines common in two files

I'm sure I once found a unix command which could print the common lines from two or more files, does anyone know its name? It was much simpler than diff . ...
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How to remove EXIF data without recompressing the JPEG?

I want to remove the EXIF information (including thumbnail, metadata, camera info... everything!) from JPEG files, but I don't want to recompress it, as recompressing the JPEG will degrade the quality, as well as usually increasing the file size. ...
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Why do stacks typically grow downwards?

I know that in the architectures I'm personally familiar with (x86, 6502, etc), the stack typically grows downwards (i.e. every item pushed onto the stack results in a decremented SP, not an incremented one). ...
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Is there a foreach loop in Go?

Is there a foreach construct in the Go language? Can I iterate over a slice or array using a for ? 8 Answers ...