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Is it safe to get values from a java.util.HashMap from multiple threads (no modification)?

... field (JLS 17.5). The ones most interesting for your scenario are (2), (3) and (4). In particular, (3) applies directly to the code I have above: if you transform the declaration of MAP to: public static volatile HashMap<Object, Object> MAP; then everything is kosher: readers who see a n...
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Literal notation for Dictionary in C#?

...ank you. – pimvdb Feb 12 '11 at 20:43 3 ...
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Python non-greedy regexes

... wjandrea 12.3k55 gold badges2424 silver badges4747 bronze badges answered Apr 19 '09 at 23:27 Trey StoutTrey Stou...
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:after vs. ::after

...s there any functional difference between the CSS 2.1 :after and the CSS 3 ::after pseudo-selectors (other than ::after not being supported in older browsers)? Is there any practical reason to use the newer specification? ...
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Is it possible for intellij to organize imports the same way as in Eclipse?

... 356 Some more details: I ended up performing these steps to match out of the box eclipse organizi...
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Fastest way to find second (third…) highest/lowest value in vector or column

... min lq mean median uq max neval Rfast 160.364 179.607 202.8024 194.575 210.1830 351.517 100 maxN 396.419 423.360 559.2707 446.452 487.0775 4949.452 100 order 1288.466 1343.417 1746.7627 1433.221 1500.7865 13768.148 100 For 1 million numbers: N...
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How to save a plot as image on the disk?

... 383 There are two closely-related questions, and an answer for each. 1. An image will be genera...
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Php multiple delimiters in explode

... SergeSSergeS 9,53311 gold badge2222 silver badges3333 bronze badges ...
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When annotating a class with @Component, does this mean it is a Spring Bean and Singleton?

... 132 Yes, that is correct, @Component is a Spring bean and a Singleton. If the class belongs to the...
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How do I create a variable number of variables?

... 307 You can use dictionaries to accomplish this. Dictionaries are stores of keys and values. &gt...