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How to delete all Annotations on a MKMapView

...me with copy and paste and removing [locs release] and changing mapView to _mapView. I was following a great tutorial for MKDirections here devfright.com/mkdirections-tutorial and wanted to remove the pin after getting directions. I added the code below the last line of that method to the 'clear rou...
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How to install therubyracer gem on 10.10 Yosemite?

...all bundle exec rake clean build binary gem install pkg/libv8-3.16.14.3-x86_64-darwin-12.gem #note that libv8 version may change, so tab through files in pkg/, also remember to use the one with version specified then just bundle your project gems this is the only way it worked for me on 10.10 (ru...
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Localization of DisplayNameAttribute

... LocalizedDisplayNameAttribute : DisplayNameAttribute { readonly string _resourceName; /// <summary> /// Initializes a new instance of the <see cref="LocalizedDisplayNameAttribute"/> class. /// </summary> /// <param name="resourceName">Name of the resource.</pa...
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Is there a NumPy function to return the first index of something in an array?

... an index error if none exist) rows, columns = np.where(array==item); first_idx = sorted([r for r, c in zip(rows, columns) if c == 0])[0] – BrT Jan 15 '13 at 13:44 ...
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Two submit buttons in one form

...l be sent through as any other input. <input type="submit" name="button_1" value="Click me"> share | improve this answer | follow | ...
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JavaScript OOP in NodeJS: how?

...ld write: var method = Animal.prototype; function Animal(age) { this._age = age; } method.getAge = function() { return this._age; }; module.exports = Animal; To use it in other file: var Animal = require("./animal.js"); var john = new Animal(3); If you want a "sub class" then insid...
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C++ Dynamic Shared Library on Linux

... myclass.h #ifndef __MYCLASS_H__ #define __MYCLASS_H__ class MyClass { public: MyClass(); /* use virtual otherwise linker will try to perform static linkage */ virtual void DoSomething(); private: int x; }; #endif myclass.cc #inc...
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How to check if an email address exists without sending an email?

... C:\>telnet STACKOVERFLOW.COM.S9A1.PSMTP.com 25 220 Postini ESMTP 213 y6_35_0c4 ready. CA Business and Professions Code Section 17538.45 forbids use of this system for unsolicited electronic mail advertisements. helo hi 250 Postini says hello back mail from: <me@myhost.com> 250 Ok rcpt ...
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How do I break a string over multiple lines?

... appended to the end. http://symfony.com/doc/current/components/yaml/yaml_format.html You can use the "block chomping indicator" to eliminate the trailing line break, as follows: Key: >- This is a very long sentence that spans several lines in the YAML but which will be rendered as a st...
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Win32 创建控件风格不是Win XP的解决方案 - C/C++ - 清泛网 - 专注C/C++及内核技术

... 还需要在资源文件中加一行: // 1 RT_MANIFEST "TestCtrlStyle.manifest" 注意,有时候,加这样一句代码在资源文件中,链接时会出错: 1>Linking... 1>CVTRES : fatal error CVT1100: duplicate resource. type:MANIFEST, name:1...