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Check if a row exists, otherwise insert

...mn2 AND column3 = $column3 ) ) which I found at: http://www.postgresql.org/message-id/87hdow4ld1.fsf@stark.xeocode.com share | improve this answer | follow...
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Allow anything through CORS Policy

... Simply you can add rack-cors gem https://rubygems.org/gems/rack-cors/versions/0.4.0 1st Step: add gem to your Gemfile: gem 'rack-cors', :require => 'rack/cors' and then save and run bundle install 2nd Step: update your config/application.rb file by...
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Fork and synchronize Google Code Subversion repository into GitHub

...s a service to fork any publicly-accessible SVN repository onto Github (at https://github.com/svn2github/projectname). I tried it; upon pressing "Make a mirror" it apparently did nothing for a few seconds and displayed the message "error", but it actually worked. The new repository was in fact creat...
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How do I “decompile” Java class files? [closed]

... Update February 2016: www.javadecompilers.com lists JAD as being: the most popular Java decompiler, but primarily of this age only. Written in C++, so very fast. Outdated, unsupported and does not decompile correctly Java 5 and later So yo...
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Android Studio could not find any version that matches com.android.support:appcompat-v7:+

... repositories { jcenter() maven { url "https://maven.google.com" } } } share | improve this answer | follow ...
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实战Nginx与PHP(FastCGI)的安装、配置与优化 - 更多技术 - 清泛网 - 专注...

...请求。 四、 PHP与PHP-FPM的安装及优化 1.下载安装包 从www.php.net官方网站下载PHP源码包,这里下载的是稳定版php-5.2.13.tar.gz。 从http://php-fpm.org/downloads/下载对应的PHP-FPM源码包,这里下载的是php-5.2.13-fpm-0.5.13.diff.gz。 需要注意,...
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Sign APK without putting keystore info in build.gradle

...links: http://blog.macromates.com/2006/keychain-access-from-shell/ http://www.thoughtworks.com/es/insights/blog/signing-open-source-android-apps-without-disclosing-passwords Since you are using Mac OSX, you can use the Keychain Access to store your passwords. Then in your gradle scripts: /* Ge...
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Add a “hook” to all AJAX requests on a page

...ome more docs of what you can do here with the addEventListener API here: https://developer.mozilla.org/en-US/docs/Web/API/XMLHttpRequest/Using_XMLHttpRequest#Monitoring_progress (Note this doesn't work <= IE8) share ...
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Load image from url

...ageURL) .resize(width,height).into(imageView); tutorial: https://youtu.be/DxRqxsEPc2s share | improve this answer | follow | ...
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How to add anything in through jquery/javascript?

...on.id = 'myFavicon'; favicon.rel = 'shortcut icon'; favicon.href = 'http://www.test.com/my-favicon.ico'; document.head.appendChild(favicon); share | improve this answer | f...