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Converting a Java Keystore into PEM Format

... KeyStore ks = KeyStore.getInstance("jks"); /* Load the key store. */ ... char[] password = ...; /* Save the private key. */ FileOutputStream kos = new FileOutputStream("tmpkey.der"); Key pvt = ks.getKey("your_alias", password); kos.write(pvt.getEncoded()); kos.flush(); kos.close(); /* Save the cer...
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What's the purpose of using braces (i.e. {}) for a single-line if or loop?

...d) (b*b) - ((4*a)*c)? Some precedences are obvious (or should be), and the extra parentheses just add to confusion. (On the other hand, you _should_ use the parentheses in less obvious cases, even if you know that they're not needed.) Sort of. There are two wide spread conventions for formatting...
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Why is arr = [] faster than arr = new Array?

...Y_INIT from an object property accessor (e.g. obj[foo]) or brackets inside strings/regex literals (e.g. "foo[]bar" or /[]/) This is miniscule, but we also have more tokens with new Array. Furthermore, it's not entirely clear yet that we simply want to create an array. We see the "new" token, but "...
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What is the easiest way to initialize a std::vector with hardcoded elements?

...typesafe, compile time constant template <typename T, std::size_t N> char (&sizeof_array( T(&)[N] ))[N]; // declared, undefined #define ARRAY_SIZE(x) sizeof(sizeof_array(x)) share | ...
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Overlaying histograms with ggplot2 in R

...e nicely with more complicated plots, such as mixed calls to aes() and aes_string(). – rensa Apr 4 '16 at 3:41 2 ...
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Emulating a do-while loop in Bash

...apability is pretty cool! You could also use it to insert a delimiter in a string. Thanks! – Paused until further notice. Oct 12 '18 at 18:48 add a comment  ...
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How do you use gcc to generate assembly code in Intel syntax?

... <stdio.h> #include <windows.h> int a = 0; int main(int argc, char *argv[]) { asm("mov eax, 0xFF"); asm("mov _a, eax"); printf("Result of a = %d\n", a); getch(); return 0; }; That's code worked with this GCC command line: gcc.exe File.cpp -masm=intel -mconsole -o...
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What are inline namespaces for?

...udes V100.h. You also modify Mine.h at the same time, of course, to add an extra include. Mine.h is part of the library, not part of the client code. – Steve Jessop Jun 13 '12 at 14:01 ...
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How do I toggle an ng-show in AngularJS based on a boolean?

... Is the ng-init necessary? – Charlie Schliesser Aug 13 '14 at 16:20 6 @Ch...
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Error handling in Bash

...IFS=' ' # # Substring: I keep only the carriage return # (others needed only for tabbing purpose) IFS=${IFS:0:1} local lines=( $_backtrace ) IFS=$mem ...