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extract part of a string using bash/cut/split

... \) marks a capture group. This is \([^:]*\). The [^:] says any character _except a colon, and the * means zero or more. .* means the rest of the line. \1 means substitute what was found in the first (and only) capture group. This is the name. Here's the breakdown matching the string with the re...
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How can I efficiently download a large file using Go?

....Errorf("bad status: %s", resp.Status) } // Writer the body to file _, err = io.Copy(out, resp.Body) if err != nil { return err } return nil } share | improve this answer ...
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Struct constructor: “fields must be fully assigned before control is returned to the caller.”

...ample, prefix all fields with an underscore, so you can simply call this: _probability = probability; and see easily what's happening. share | improve this answer | follo...
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Add a background image to shape in XML Android

...t;/shape> </item> <item android:drawable="@drawable/image_name_here" /> </layer-list> share | improve this answer | follow | ...
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How to analyze a java thread dump?

... a light-weight process). On Mac OS X, it is said to be the native pthread_t value. Go to this link: Java-level thread ID: for a definition and a further explanation of these two terms. On IBM's site I found this link: How to interpret a thread dump. that covers this in greater detail: It expla...
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普通码农和CTO之间的差距,就是这7点了 - 杂谈 - 清泛网 - 专注C/C++及内核技术

...那么我们的沟通能力应该足够我们搞定“萌妹子”的。^_^ 学习技术而不是工具 在新框架,新方法,新工具横行的今天我们很难判断出哪些是“技术”,哪些是“工具”。我个人认为程序员不存在——Java程序员、Python程序员、A...
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Getting the last element of a list

... some_list[-1] is the shortest and most Pythonic. In fact, you can do much more with this syntax. The some_list[-n] syntax gets the nth-to-last element. So some_list[-1] gets the last element, some_list[-2] gets the second to las...
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How to convert wstring into string?

...de <locale> #include <vector> int main() { std::setlocale(LC_ALL, ""); const std::wstring ws = L"ħëłlö"; const std::locale locale(""); typedef std::codecvt<wchar_t, char, std::mbstate_t> converter_type; const converter_type& converter = std::use_facet<converte...
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How to remove unwanted space between rows and columns in table?

...0px;"> <img height="80" src="http://www.website.com/images/Nature_01.jpg" width="600" /> </td> share | improve this answer | follow | ...
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Checking if object is empty, works with ng-show but not from controller?

... Or, if using lo-dash: _.empty(value). "Checks if value is empty. Arrays, strings, or arguments objects with a length of 0 and objects with no own enumerable properties are considered "empty"." ...