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How to represent multiple conditions in a shell if statement?

...n this particular case, the parentheses aren't even needed, because -a actually has higher precedence than -o (unlike && and || in the shell - however, inside bash [[ ... ]] conditionals, && also has higher precedence than || ). If you wanted to avoid -a and -o for maximum robustness...
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How to declare strings in C [duplicate]

... This link should satisfy your curiosity. Basically (forgetting your third example which is bad), the different between 1 and 2 is that 1 allocates space for a pointer to the array. But in the code, you can manipulate them as pointers all the same -- only thing, you cann...
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Remove all but numbers from NSString

...thesis and hyphens as some phone numbers are formatted. How would I remove all characters except numbers from the string? 2...
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How to read the content of a file to a string in C?

... 0, SEEK_END); length = ftell (f); fseek (f, 0, SEEK_SET); buffer = malloc (length); if (buffer) { fread (buffer, 1, length, f); } fclose (f); } if (buffer) { // start to process your data / extract strings here... } ...
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Cython: “fatal error: numpy/arrayobject.h: No such file or directory”

...... you don't need to even open a command line if you use IPython ... it's all very convenient. In your case, try running these commands in IPython or in a normal Python script: import numpy import pyximport pyximport.install(setup_args={"script_args":["--compiler=mingw32"], ...
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Way to get number of digits in an int?

...K, there is nothing "un-neat" about it. You have to realize that mathematically, numbers don't have a length, nor do they have digits. Length and digits are both properties of a physical representation of a number in a specific base, i.e. a String. A logarithm-based solution does (some of) the same...
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Increase font size chrome console

... Here's a pretty recent blog post on the subject. Basically, override Default/User StyleSheets/Custom.css in your user directory with something like: /* Keep .platform-mac to make the rule more specific than the general one above. */ body.platform-mac.platform-mac-snowleopard .m...
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boost Composite keys - C/C++ - 清泛网 - 专注C/C++及内核技术

... first key, then the second key if the first one is equal, etc. This order allows for partial searches where only the first keys are specified: phonebook pb; ... // look for all Whites std::pair<phonebook::iterator,phonebook::iterator> p= pb.equal_range(boost::make_tuple(std::string("Whi...
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Showing empty view when ListView is empty

... when the ListView is not empty. I thought the ListView would automatically detect when to show the empty view. 11 Answ...
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Git Pull While Ignoring Local Changes?

...it stash git pull git stash pop I don't think it makes any sense to literally ignore the changes, though - half of pull is merge, and it needs to merge the committed versions of content with the versions it fetched. share ...