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Why are elementwise additions much faster in separate loops than in a combined loop?

... Upon further analysis of this, I believe this is (at least partially) caused by the data alignment of the four-pointers. This will cause some level of cache bank/way conflicts. If I've guessed correctly on how you are allocating your arrays, they are likely to be aligned to the page line....
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What is the difference between ExecuteScalar, ExecuteReader and ExecuteNonQuery?

... ExecuteScalar is typically used when your query returns a single value. If it returns more, then the result is the first column of the first row. An example might be SELECT @@IDENTITY AS 'Identity'. ExecuteReader is used for any result set with m...
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When should I use a struct rather than a class in C#?

...imes when the item is merely a collection of value types . A way to logically hold them all together into a cohesive whole. ...
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Domain Driven Design: Domain Service, Application Service

... I also inject repositories into that domain service? Some info would be really helpful. 8 Answers ...
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I cannot start SQL Server browser

...system account and not this account. then apply and chose automatic and finally run the server. share | improve this answer | follow | ...
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Nesting await in Parallel.ForEach

In a metro app, I need to execute a number of WCF calls. There are a significant number of calls to be made, so I need to do them in a parallel loop. The problem is that the parallel loop exits before the WCF calls are all complete. ...
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How to fix Hibernate LazyInitializationException: failed to lazily initialize a collection of roles,

...r add fetch=FetchType.EAGER inside your ManyToMany annotations to automatically pull back child entities: @ManyToMany(fetch = FetchType.EAGER) A better option would be to implement a spring transactionManager by adding the following to your spring configuration file: <bean id="transactionMana...
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How to stop Jenkins installed on Mac Snow Leopard?

I have installed Jenkins executable on OSX, but now I want to stop it running. Whenever I kill it, no matter how, it just restarts immediately. ...
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How to debug Google Apps Script (aka where does Logger.log log to?)

...to log to Stackdriver. Logger.log will either send you an email (eventually) of errors that have happened in your scripts, or, if you are running things from the Script Editor, you can view the log from the last run function by going to View->Logs (still in script editor). Again, that will on...
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What is the purpose of Node.js module.exports and how do you use it?

... module.exports is the object that's actually returned as the result of a require call. The exports variable is initially set to that same object (i.e. it's a shorthand "alias"), so in the module code you would usually write something like this: let myFunc1 = func...