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How to set NODE_ENV to production/development in OS X
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Refer to npmjs.com/package/cross-env for a simple cross-platform solution. cross-env NODE_ENV=production works on windows and linux / mac.
– AntonB
Jun 4 '16 at 13:55
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How to measure time taken by a function to execute
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Using performance.now():
var t0 = performance.now()
doSomething() // <---- The function you're measuring time for
var t1 = performance.now()
console.log("Call to doSomething took " + (t1 - t0) + " milliseconds.")
NodeJs: it is required to import the performance clas...
How to read a single character from the user?
...now there's a function in Windows for it, but I'd like something that is cross-platform.
23 Answers
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Dynamic instantiation from string name of a class in dynamically imported module?
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@jpennell you should post that as an answer, it's often more useful to be able to directly use the string returned by obj.__module__
– Anentropic
Aug 22 '14 at 12:42
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Objective-C : BOOL vs bool
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From the definition in objc.h:
#if (TARGET_OS_IPHONE && __LP64__) || TARGET_OS_WATCH
typedef bool BOOL;
#else
typedef signed char BOOL;
// BOOL is explicitly signed so @encode(BOOL) == "c" rather than "C"
// even if -funsigned-char is used.
#endif
#define...
Sending HTTP POST Request In Java
...nswer, are deprecated in the newer version of Apache HTTP Components, I'm posting this update.
By the way, you can access the full documentation for more examples here.
HttpClient httpclient = HttpClients.createDefault();
HttpPost httppost = new HttpPost("http://www.a-domain.com/foo/");
// Reques...
How can I find the version of the Fedora I use?
...d the login banners … I typically edit mine, and so, it seems, do many (most) corporate IT departments... :-(
– BRPocock
Dec 2 '11 at 16:05
8
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How to recognize USB devices in Virtualbox running on a Linux host? [closed]
...ct the guest from the Virtualbox home (I'm using a Windows XP 3 guest), choose Settings -> USB -> Add filter from device, no devices is listed, even if an USB pen is attached and recognized by my Lubuntu 13.10. If i run the guest, nothing happens if I attach the device and, as above, no USB device i...
'^M' character at end of lines
...the SQL script as it is echoed to the command-line. I don't know on which OS the SQL script was originally created.
16 Ans...
How to compile and run C/C++ in a Unix console/Mac terminal?
...e executable just built is the same as running any program - but you will most often need to specify the path to the executable as the shell will only search what is in $PATH to find executables, and most often that does not include the current directory (.).
So to run the built executable foo:
./...