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Does async(launch::async) in C++11 make thread pools obsolete for avoiding expensive thread creation
... 970415
And native, on my MacBook Pro 15" (Intel(R) Core(TM) i7-7820HQ CPU @ 2.90GHz) with Apple LLVM version 10.0.0 (clang-1000.10.44.4) under OSX 10.13.6, I get this:
Do nothing calls per second: 22078079
Empty calls per second: 21847547
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How do sessions work in Express.js with Node.js?
..., although that could be altered to whatever storage form implements the appropriate API.
So if you want to check things without a specific req request object, like you said, you need to just access that same storage. On the bottom of the first documentation page, it details required methods the s...
Prompt for user input in PowerShell
I want to prompt the user for a series of inputs, including a password and a filename.
4 Answers
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Why is there no Constant feature in Java?
...ointer to const type. The enhancement request ticket in the Java Community Process for implementing const correctness in Java was closed in 2005, implying that const correctness will probably never find its way into the official Java specification.
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What's the difference between Invoke() and BeginInvoke()
...ay purposes. For example, if you have a Person with FirstName and LastName properties, and you did:
person.FirstName = "Kevin"; // person is a shared reference
person.LastName = "Spacey";
control.BeginInvoke(UpdateName);
person.FirstName = "Keyser";
person.LastName = "Soze";
Then the UI may well ...
Specifying and saving a figure with exact size in pixels
... saved with dpi=1000 to achieve the required resolution. In my system this produces a png with 3840x7190 pixels -- it seems that the DPI saved is always 0.02 pixels/inch smaller than the selected value, which will have a (small) effect on large image sizes. Some more discussion of this here.
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Building and running app via Gradle and Android Studio is slower than via Eclipse
I have a multi-project (~10 modules) of which building takes about 20-30 seconds each time. When I press Run in Android Studio, I have to wait every time to rebuild the app, which is extremely slow.
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Purpose of memory alignment
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It's a limitation of many underlying processors. It can usually be worked around by doing 4 inefficient single byte fetches rather than one efficient word fetch, but many language specifiers decided it would be easier just to outlaw them and force everything to...
How Do I Fetch All Old Items on an RSS Feed?
...oric information to be retrieved. It is up to the publisher of the feed to provide it if they want such as in the blogger or wordpress examples you gave above.
The only reason that Google Reader has more information is that it remembered it from when it came up the first time.
There is some infor...
How to make an app's background image repeat
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edited Mar 15 '14 at 15:20
Michael
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