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Difference between a Structure and a Union

...foo; long bar; double baz; long double quux; } allocates at least (sizeof(int)+sizeof(long)+sizeof(double)+sizeof(long double)) bytes in memory for each instance. ("At least" because architecture alignment constraints may force the compiler to pad the struct.) On the other hand, un...
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Storing money in a decimal column - what precision and scale?

...The rule of thumb for storage of fixed point decimal values is to store at least one more decimal place than you actually require to allow for rounding. One of the reasons for mapping the old Currency type in the front end to DECIMAL(19, 4) type in the back end was that Currency exhibited bankers' r...
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Differences between std::make_unique and std::unique_ptr with new

...he memory allocation for two parallel std::make_shared will ensure that at least one of them gets wrapped in the smart pointer before the other memory allocation occurs, hence no leaks. – MathBunny Dec 26 '19 at 4:51 ...
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Why define an anonymous function and pass it jQuery as the argument?

...pulated. That means you're waiting until the browser has parsed the DOM at least once before you are defining your objects. It's a better idea to define your Backbone objects outside of a DOMReady function. I, among many others, prefer to do this inside of a JavaScript Module pattern so that I can...
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How to semantically add heading to a list

... Your first option is the good one. It's the least problematic one and you've already found the correct reasons why you couldn't use the other options. By the way, your heading IS explicitly associated with the <ul> : it's right before the list! ;) edit: Steve F...
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Why is creating a Thread said to be expensive?

... give better numbers ... and I can't comment on the methodology ... but at least it gives a ballpark for how expensive thread creation is likely to be. Peter Lawrey's benchmarking indicates that thread creation is significantly faster these days in absolute terms, but it is unclear how much of this...
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Generic Repository With EF 4.1 what is the point

... Yes EF is not very performance oriented tool. At least MS has a lot of opportunities to make this better in future versions. – Ladislav Mrnka Apr 11 '11 at 20:33 ...
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How to make Java honor the DNS Caching Timeout?

..., the domain name is resolved into an IP that's closest to the server with least load. For the load-balancing to work, the application server needs to honor the TTL from DNS response and to resolve the domain name again when cache times out. However, I couldn't figure out a way to do this in Java. ...
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Capturing Groups From a Grep RegEx

... This isn't really possible with pure grep, at least not generally. But if your pattern is suitable, you may be able to use grep multiple times within a pipeline to first reduce your line to a known format, and then to extract just the bit you want. (Although tools like ...
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What to do about a 11000 lines C++ source file?

...ng refactoring process, you could leave this big file as is for a while at least without adding more code to it: since it contains one "main class" you could inherit from it and keep inherited class(es) with overloaded functions in several new small and well designed files. ...