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What is the difference between sigaction and signal?

... Excellent sigaction() demo from GCC themselves: gnu.org/software/libc/manual/html_node/…; and excellent signal() demo from GCC themselves: gnu.org/software/libc/manual/html_node/…. Notice that in the signal demo they avoid changing the handler...
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How to printf uint64_t? Fails with: “spurious trailing ‘%’ in format”

...0; fmt::print("test uint64_t : {}\n", ui64); } The formatting facility based on this library is proposed for standardization in C++20: P0645. Disclaimer: I'm the author of {fmt}. share | improv...
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What is the theoretical maximum number of open TCP connections that a modern Linux box can have

... for help, clarification, or responding to other answers.Making statements based on opinion; back them up with references or personal experience.To learn more, see our tips on writing great answers. Draft saved Draft discarded ...
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Turn a string into a valid filename?

...trings as file names? If human readability is not a factor I would go with base64 module which can produce file system safe strings. It won't be readable but you won't have to deal with collisions and it is reversible. import base64 file_name_string = base64.urlsafe_b64encode(your_string) Update:...
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Initial bytes incorrect after Java AES/CBC decryption

...g this work due to missing some information like, forgetting to convert to Base64, initialization vectors, character set, etc. So I thought of making a fully functional code. Hope this will be useful to you all: To compile you need additional Apache Commons Codec jar, which is available here: http:...
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clang: how to list supported target architectures?

...rget cpu beyond this, though it uses a sensible default for the target cpu based on the triple. Sometimes targets "resolve" to the same thing, so to see what a target is actually treated as: $ clang -target x86_64-w64-mingw32 -v 2>&1 | grep Target Target: x86_64-w64-windows-gnu ...
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Convert a list of data frames into one data frame

... Nice solution. .id = "column_label" adds the unique row names based on the list element names. – Sibo Jiang Apr 29 '18 at 20:49 13 ...
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What is the best way to trigger onchange event in react js

...pdating the input's state in response. The two-way binding utils more as a demo than anything else; they're included in addons only to emphasize the fact that pure two-way binding isn't appropriate for most applications and that you usually need more application logic to describe the interactions in...
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Virtual Memory Usage from Java under Linux, too much memory used

...ng-standing complaint with Java, but it's largely meaningless, and usually based on looking at the wrong information. The usual phrasing is something like "Hello World on Java takes 10 megabytes! Why does it need that?" Well, here's a way to make Hello World on a 64-bit JVM claim to take over 4 giga...
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How to pass a function as a parameter in Java? [duplicate]

...s a simple example, where foo() is the function passed as a parameter, and demo() is the function that takes a function as a parameter. void demo(final Callable<Void> func){ func.call(); } void foo(){ return null; } demo(new Callable<Void>() {public Void call() {return foo...