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Is Java Regex Thread Safe?
...r hand, you shouldn't share
a Matcher between different threads.
Or at least, if you ever did, you
should use explicit synchronization.
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How to add elements of a Java8 stream into an existing List
... a Collector to mutate an existing collection.
The short answer is no, at least, not in general, you shouldn't use a Collector to modify an existing collection.
The reason is that collectors are designed to support parallelism, even over collections that aren't thread-safe. The way they do this is...
Choice between vector::resize() and vector::reserve()
...nt you request by reserve, the specification only requires it allocates at least that much, so some implementations may round up to some boundary and thus show higher capacity than 1000.
– Jan Hudec
Sep 13 '11 at 8:49
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Code signing certificate for open-source projects?
...tity validation, not from your CSR.
# Create key and CSR (key must be at least 2048 bit, per Policy Statement)
openssl req -nodes -newkey rsa:2048 -keyout codesigning.key -out codesigning.csr
# Add pass phrase to key (optional, but highly recommended)
openssl rsa -in codesigning.key -des3 -out cod...
Is ASCII code 7-bit or 8-bit?
...I", or even "X3.4-1968", intending to include the national variants, or at least not clearly ruling it out, leading to arguments. Therefore, I personally would use Unicode as the normative reference for ASCII if I had to write a spec where it mattered. That's all I meant.
– zw...
Why are dates calculated from January 1st, 1970?
...e is popular, various computing environments over the decades have used at least nearly two dozen epochs. Some are from other centuries. They range from year 0 (zero) to 2001.
Here are a few.
January 0, 1 BC
January 1, AD 1
October 15, 1582
January 1, 1601
December 31, 1840
November 17, 1858
Decemb...
Interface Builder: What are the UIView's Layout iOS 6/7 Deltas for?
...
AutoLayout requires at least iOS 6.0. If you want to support iOS 5.0 you couldn't use AutoLayout.
And those deltas are used to help you adjust the view position on different iOS version(mainly iOS 7 and iOS version lower than 7).
I use those valu...
Why should I avoid multiple inheritance in C++?
...ne real object, and zero or more interfaces is not considered "smelly" (at least, not as much).
More about the C++ Abstract Interface (edit 2017-05-03)
First, the NVI pattern can be used to produce an interface, because the real criteria is to have no state (i.e. no member variables, except this). Y...
Coroutine vs Continuation vs Generator
...ich isn't correct as per the definition of what a function is, but it's at least understandable.
– Keith Gaughan
Dec 15 '14 at 18:20
2
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Why does the C# compiler not fault code where a static method calls an instance method?
... are no possible static methods that could be resolved. Only if you add at least one does the situation change and the code is valid.
– Mike Scott
Oct 11 '12 at 15:29
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