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cannot download, $GOPATH not set

...ults to $HOME/go, but you may still find this useful if you want to understand the GOPATH layout, customize it, etc.] The official Go site discusses GOPATH and how to lay out a workspace directory. export GOPATH="$HOME/your-workspace-dir/" -- run it in your shell, then add it to ~/.bashrc or equiv...
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How to log source file name and line number in Python

Is it possible to decorate/extend the python standard logging system, so that when a logging method is invoked it also logs the file and the line number where it was invoked or maybe the method that invoked it? ...
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What is the memory consumption of an object in Java?

...en decide up front which one to call. Then of course the hardware and OS have multilayer caches, on chip-cache, SRAM cache, DRAM cache, ordinary RAM working set and backing store on disk. Your data may be duplicated at every cache level. All this complexity means you can only very roughly p...
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What's an Aggregate Root?

... concept of an Aggregate Root keeps coming up. When searching both the web and Stack Overflow for help with what an aggregate root is, I keep finding discussions about them and dead links to pages that are supposed to contain base definitions. ...
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Change project name on Android Studio

I want to change the name of my project and module. But if I try to rename them Android Studio notify me some errors... e.g. I want to change the name from "MyApplication" to "AndroidApp" as shown in the image below. In the first rectangle I want to change it in: ...
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How do you dynamically add elements to a ListView on Android?

...anyone explain or suggest a tutorial to dynamically create a ListView in android? 7 Answers ...
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How do you mock out the file system in C# for unit testing?

...? In my current case I have methods that check whether certain file exists and read the creation date. I may need more than that in future. ...
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How to get the first item from an associative PHP array?

... What if i want to get the key and value? – Timberman Jul 13 at 12:44 add a comment  |  ...
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How does Python manage int and long?

Does anybody know how Python manage internally int and long types? 9 Answers 9 ...
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Apply style ONLY on IE

...g on the environment, conditional comments have been officially deprecated and removed in IE10+. Original The simplest way is probably to use an Internet Explorer conditional comment in your HTML: <!--[if IE]> <style> .actual-form table { width: 100%; } </style&g...