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How do I “git blame” a deleted line?
git blame is great for modified and added lines, but how can I find when a line that existed in a specific previous commit was eventually deleted. I'm thinking bisect , but I was hoping for something handier.
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Algorithm to calculate the number of divisors of a given number
What would be the most optimal algorithm (performance-wise) to calculate the number of divisors of a given number?
27 Answe...
C#对象序列化与反序列化 - 更多技术 - 清泛网移动版 - 专注C/C++及内核技术
...ize二进制序列化：对象序列化之后是二进制形式的，通过BinaryFormatter类来实现的。
SOAP序列化：对象序列化之后的结果符合SOAP协议，也就是可以通过SOAP 协议传输。
XML序列化：对象序列化之后的结果是XML形式的，通过XmlSerializer...
Git fetch remote branch
My colleague and I are working on the same repository. We've branched it into two branches, each technically for different projects, but they have similarities, so we'll sometimes want to commit back to the * master from the branch .
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How do I use $rootScope in Angular to store variables?
How do I use $rootScope to store variables in a controller I want to later access in another controller? For example:
8 A...
Problems with Android Fragment back stack
I've got a massive problem with the way the android fragment backstack seems to work and would be most grateful for any help that is offered.
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How to select all records from one table that do not exist in another table?
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SELECT t1.name
FROM table1 t1
LEFT JOIN table2 t2 ON t2.name = t1.name
WHERE t2.name IS NULL
Q: What is happening here?
A: Conceptually, we select all rows from table1 and for each row we attempt to find a row in table2 with the same value for ...
Iterate over object attributes in python
I have a python object with several attributes and methods. I want to iterate over object attributes.
8 Answers
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Bash if [ false ] ; returns true
Been learning bash this week and ran into a snag.
6 Answers
6
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PHP's array_map including keys
...ond_key" => "second_value");
array_walk($test_array, function(&$a, $b) { $a = "$b loves $a"; });
var_dump($test_array);
// array(2) {
// ["first_key"]=>
// string(27) "first_key loves first_value"
// ["second_key"]=>
// string(29) "second_key loves second_value"
// }
It does ...