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Start a git commit message with a hashmark (#)
...mitting. this is very annoying when working with a ticket tracking system, and trying to write the ticket number at the beginning of the line, e.g.
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Programmatically find the number of cores on a machine
...;sysinfo);
int numCPU = sysinfo.dwNumberOfProcessors;
Linux, Solaris, AIX and Mac OS X >=10.4 (i.e. Tiger onwards)
int numCPU = sysconf(_SC_NPROCESSORS_ONLN);
FreeBSD, MacOS X, NetBSD, OpenBSD, etc.
int mib[4];
int numCPU;
std::size_t len = sizeof(numCPU);
/* set the mib for hw.ncpu */
mib[...
How to loop through a plain JavaScript object with the objects as members?
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Under ECMAScript 5, you can combine Object.keys() and Array.prototype.forEach():
var obj = {
first: "John",
last: "Doe"
};
//
// Visit non-inherited enumerable keys
//
Object.keys(obj).forEach(function(key) {
console.log(key, obj[key]);
});
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How to tell if a file is git tracked (by shell exit code)?
...s there a way to tell if a file is being tracked by running some git command and checking its exit code?
8 Answers
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How to handle invalid SSL certificates with Apache HttpClient? [duplicate]
I know, there are many different questions and so many answers about this problem... But I can't understand...
18 Answers
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Is there an MD5 Fixed Point where md5(x) == x?
.../2128)2128.
Since the limit as n goes to infinity of (1 − 1/n)n is 1/e, and 2128 is most certainly a very large number, this probability is almost exactly 1 − 1/e ≈ 63.21%.
Of course, there is no randomness actually involved – either there is a fixed point or there isn't. But, we can be 6...
Static nested class in Java, why?
I was looking at the Java code for LinkedList and noticed that it made use of a static nested class, Entry .
14 Answers
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Creating an empty bitmap and drawing though canvas in Android
I'd like to create an empty bitmap and set a canvas to that bitmap and then draw any shape on the bitmap.
2 Answers
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How to disable Crashlytics during development
Is there any simple way to turn Crashlytics Android SDK off while developing ?
28 Answers
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How to remove padding around buttons in Android?
In my Android app, I have this layout:
17 Answers
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