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How can I format patch with what I stash away

...ing the patch into another Git repository, you could apply it all and then selectively git checkout files that you didn't want to change (git checkout with a filename throws away unstaged changes). – Greg Hewgill Jan 30 '10 at 2:08 ...
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Null vs. False vs. 0 in PHP

...mpatibility). Despite the design wishing some consistency (outlined in the selected answer here), it all get confusing when you consider method returns that use false/null in not-so-easy to reason ways. You will often see null being used when they are already using false for something. e.g. filter_i...
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Step out of current function with GDB

...ish command. finish: Continue running until just after function in the selected stack frame returns. Print the returned value (if any). This command can be abbreviated as fin. (see https://sourceware.org/gdb/current/onlinedocs/gdb/Continuing-and-Stepping.html#Continuing-and-Stepping) ...
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Why do we need message brokers like RabbitMQ over a database like PostgreSQL?

... PostgreSQL 9.5 PostgreSQL 9.5 incorporates SELECT ... FOR UPDATE ... SKIP LOCKED. This makes implementing working queuing systems a lot simpler and easier. You may no longer require an external queueing system since it's now simple to fetch 'n' rows that no other sess...
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Which parallel sorting algorithm has the best average case performance?

...gistration which is free): University lectures: Parallel Partitioning for Selection and Sorting Parallel Sorting Algorithms Lecture Parallel Sorting Algorithms Lecture 2 Parallel Sorting Algorithms Lecture 3 Other sources and papers: A novel sorting algorithm for many-core architectures based on ...
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How to implement a rule engine?

..."Contains", "C#" ) }; // compile the rules once var compiledRules = rules.Select(r => CompileRule(r)).ToList(); public bool MatchesAllRules(User user) { return compiledRules.All(rule => rule(user)); } Here is the implementation of BuildExpr: Expression BuildExpr(Rule r, ParameterExpress...
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Difference between Rebuild and Clean + Build in Visual Studio

..., right click on the desired project name in the Solution Explorer tab and select Set as StartUp project. The project name now appears in bold. Since the homework solutions typically have only one project, Build or Rebuild Solution is effectively the same as Build or Rebuild . Compile just compiles...
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LR性能测试结果样例分析 - 更多技术 - 清泛网 - 专注C/C++及内核技术

...场景执行过程中SQL语句的执行情况,从图中可以看到,“Selects(查询)”与“Inserts(插入)”两种语句执行的趋势在场景执行过程中是比较平滑,并且测试中没有错误发现,也就说明在处理相关业务时Mysql的处理是正常的。假...
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Is cout synchronized/thread-safe?

...cent version of MSVC (currently for VS 2010/MSVC 10/cl.exe 16.x). You can select the information for older versions of MSVC using a dropdown control on the page (and the information is different for older versions). share ...
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Big O, how do you calculate/approximate it?

...n't a moron, its average case complexity is O(n log n) and it uses a pivot selection strategy that reduces the odds of hitting the O(n²) case). And both bsearch and qsort can be worse if the comparator function is pathological. – ShadowRanger Mar 21 '19 at 14:...