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Ubuntu running `pip install` gives error 'The following required packages can not be built: * freety

... search for packages on Ubuntu/Debian based systems: apt-cache search <string> e.g: apt-cache search freetype | grep dev Redhat/CentOS/Fedora: yum -y install freetype-devel To search for packages on Redhat/CentOS/Fedora based systems: yum search <string> e.g: yum search fr...
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What is the right way to check for a null string in Objective-C?

... What type is title supposed to be? If it's an NSString, for instance, I receive the following warning: comparison of distinct Objective-C types 'struct NSNull *' and 'struct NSString *' lacks a cast Is there any way of removing this (I dunno if things have changed since...
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Why should I declare a virtual destructor for an abstract class in C++?

... { public: virtual void DoFoo() = 0; }; class Bar : public IFoo { char* dooby = NULL; public: virtual void DoFoo() { dooby = new char[10]; } void ~Bar() { delete [] dooby; } }; IFoo* baz = new Bar(); baz->DoFoo(); delete baz; // memory leak - dooby isn't deleted ...
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CSS text-decoration underline color [duplicate]

...nes follow only the text and if you want toc achieve this you must use the extra span approach. – davidelrizzo Oct 19 '14 at 11:08  |  show 5 ...
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Multi-statement Table Valued Function vs Inline Table Valued Function

...urned only tables formatted like 'C_______' then the outer query did a sub-string and int conversion. ie Cast(Substring(2, 2) as int) as CompNo. All looks good except that sql server decided to put my Cast function before the results were filtered and so I get a mind scrambling conversion error. A...
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Calculating distance between two points, using latitude longitude?

...distanceAlgorithm; public class CalDistance { public static void main(String[] args) { // TODO Auto-generated method stub CalDistance obj=new CalDistance(); /*obj.distance(38.898556, -77.037852, 38.897147, -77.043934);*/ System.out.println(obj.distance(38.898556, -77.037...
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How to get the current time in YYYY-MM-DD HH:MI:Sec.Millisecond format in Java?

...sity, what benefit does using SimpleDateFormat bring over just: dateTime.ToString("yyyy-MM-dd HH:mm:ss.SSS") ? – NickG May 8 '13 at 9:43 ...
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Why is it string.join(list) instead of list.join(string)?

...ned (e.g, list, tuple, dict, set), but the result and the "joiner" must be strings. For example: '_'.join(['welcome', 'to', 'stack', 'overflow']) '_'.join(('welcome', 'to', 'stack', 'overflow')) 'welcome_to_stack_overflow' Using something else than strings will raise the following error: T...
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How to return an array from JNI to Java?

...e the return value. If you wanted to create a single dimensional array of Strings then you'd use the NewObjectArray() function but with a different parameter for the class. Since you want to return an int array, then your code is going to look something like this: JNIEXPORT jintArray JNICALL Ja...
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Input widths on Bootstrap 3

... way to do it with the build in functionality without using grid or adding extra css. Grids do not work well if you are dealing with help-block elements that need to go beyond a short input for example but they are 'build-in'. If that is an issue I recommend using extra css classes which you can f...