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Create a submodule repository from a folder and keep its git commit history

...ommit it git filter-branch --subdirectory-filter <directory 1> -- --all You should now have a git repository with the files from directory 1 in your repo's root with all related commit history. Step 4 Create your online repository and push your new repository! git remote add origin <...
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What is a NullReferenceException, and how do I fix it?

.... This means you either set it to null, or you never set it to anything at all. Like anything else, null gets passed around. If it is null in method "A", it could be that method "B" passed a null to method "A". null can have different meanings: Object variables which are uninitialized and hence poi...
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JPA OneToMany not deleting child

...em with a simple @OneToMany mapping between a parent and a child entity. All works well, only that child records are not deleted when I remove them from the collection. ...
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How do I increase the RAM and set up host-only networking in Vagrant?

...ing is do with end without nesting it. This is simpler. config.vm.define :web do |web_config| web_config.vm.box = "lucid32" web_config.vm.forward_port 80, 8080 end web_config.vm.provision :puppet do |puppet| puppet.manifests_path = "manifests" puppet.manifest_file = "lucid32.pp" end...
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IntelliJ and Tomcat…changed files are not automatically recognized by Tomcat

...r "Update resources" or "Update Classes and Resources" Update resources: All changed resources (that is, all application components other than the classes) will be updated. Update classes and resources: All changed resources will be updated; changed classes will be recompiled. Note that whether th...
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Is async HttpClient from .Net 4.5 a bad choice for intensive load applications?

I recently created a simple application for testing the HTTP call throughput that can be generated in an asynchronous manner vs a classical multithreaded approach. ...
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Delete first character of a string in Javascript

..."foobar"; var s2 = s1.substring(1); alert(s2); // shows "oobar" To remove all 0's at the start of the string: var s = "0000test"; while(s.charAt(0) === '0') { s = s.substring(1); } share | improv...
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Send an Array with an HTTP Get

.... Wikipedia: Query string: While there is no definitive standard, most web frameworks allow multiple values to be associated with a single field (e.g. field1=value1&field1=value2&field2=value3).[4][5] Generally, when the target server uses a strong typed programming language like Java ...
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How do I disable directory browsing?

I want to disable directory browsing of /galerias folder and all subdirectories 12 Answers ...
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Full examples of using pySerial package [closed]

...is code. I'm not certain on this but I believe the serial port is automatically opened when it is explicitly defined as you have done with ser. After commenting out the ser.open() line it worked. – user3817250 Sep 23 '14 at 14:31 ...