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Handling very large numbers in Python
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You could do this for the fun of it, but other than that it's not a good idea. It would not speed up anything I can think of.
Getting the cards in a hand will be an integer factoring operation which is much more expensive than just accessing an arr...
Using SSH keys inside docker container
I have an app that executes various fun stuff with Git (like running git clone & git push) and I'm trying to docker-ize it.
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Object-orientation in C
...truct derived *)base_ptr; // downcast
To get polymorphism (i.e. virtual functions), you use function pointers, and optionally function pointer tables, also known as virtual tables or vtables:
struct base;
struct base_vtable
{
void (*dance)(struct base *);
void (*jump)(struct base *, int ...
Guid.NewGuid() vs. new Guid()
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I'll add this for fun. For a 1% chance of collision, you'd need to generate about 2,600,000,000,000,000,000 GUIDs
– Clinton Ward
Aug 13 '12 at 16:20
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iOS开发过程中的各种tips - 更多技术 - 清泛网 - 专注C/C++及内核技术
...取电话号码，去掉数字之间的-
NSString *originalString = @"(123)123123abc";
NSMutableString *strippedString = [NSMutableString stringWithCapacity:originalString.length];
NSScanner *scanner = [NSScanner scannerWithString:originalString];
NSCharacterSet *numbers = [NSCharacterSet char...
How to sort List of objects by some property
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123
Using Comparator
For Example:
class Score {
private String name;
private List<In...
Best way to store time (hh:mm) in a database
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Another fun problem is if you are relying on the time component, it will not account for the Daylight savings adjustments when used at different times of the year.
– Chris Seufert
Nov 23 '17 at ...
Get an object properties list in Objective-C
...}
free(properties);
}
This required me to make a 'getPropertyType' C function, which is mainly taken from an Apple code sample (can't remember right now the exact source):
static const char *getPropertyType(objc_property_t property) {
const char *attributes = property_getAttributes(proper...
How does one reorder columns in a data frame?
...n of this function to my personal package.
– CoderGuy123
Jul 6 '16 at 12:12
1
This is really usef...
How to simulate a mouse click using JavaScript?
...thing like:
simulate(document.getElementById("btn"), "click", { pointerX: 123, pointerY: 321 })
You can use a similar approach to override other default options.
Credits should go to kangax. Here's the original source (prototype.js specific).
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