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What does the JSLint error 'body of a for in should be wrapped in an if statement' mean?

...are that members that are added to the prototype of the object will be included in the enumeration. It is wise to program defensively by using the hasOwnProperty method to distinguish the true members of the object: for (variable in object) { if (object.hasOwnProperty(variable)) { ...
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What does this Google Play APK publish error message mean?

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Rename a dictionary key

...ctionary key, without reassigning its value to a new name and removing the old name key; and without iterating through dict key/value? In case of OrderedDict, do the same, while keeping that key's position. ...
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Capturing Groups From a Grep RegEx

... It's better to put the regex in a variable. Some patterns won't work if included literally. This uses =~ which is Bash's regex match operator. The results of the match are saved to an array called $BASH_REMATCH. The first capture group is stored in index 1, the second (if any) in index 2, etc. ...
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Test for non-zero length string in Bash: [ -n “$var” ] or [ “$var” ]

...errors in columns 3a and 5a are caused by the fact that the variable value includes a space and the variable is unquoted. Again, as shown in columns 3b and 5b, [[ evaluates the variable's contents as a string. Correspondingly, for tests for zero-length strings, columns 6a, 5b and 6b show the correc...
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What's the fundamental difference between MFC and ATL?

...ication, etc. Encapsulates 20 years of Office and Windows evolution, which includes a whole crap load of stuff you will probably never use: Single and Multiple Document interfaces, DDE, COM, COM+, DCOM, Document Linking and Embedding (so you can embed a word document in your app if you wanted to), A...
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How do I browse an old revision of a Subversion repository through the web view?

... only browse the latest revision of the trunk. Is there a way to browse an older revision of the trunk through the web UI? ...
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How do I call ::std::make_shared on a class with only protected or private constructors?

...till let everything still be inline and doesn't require a derived class: #include <memory> #include <string> class A { protected: struct this_is_private; public: explicit A(const this_is_private &) {} A(const this_is_private &, ::std::string, int) {} template &l...
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Process all arguments except the first one (in a bash script)

...ements in the array like perl's shift and preserves all remaining elements including the third. I suspect there's a way to pop off the last elements as well. share | improve this answer | ...
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Duplicate and rename Xcode project & associated folders [closed]

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