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What's the opposite of chr() in Ruby?
... pair of functions, chr() and ord() , which convert between numbers and character values. In some languages, ord() is called asc() .
...
Difference between a Structure and a Union
...re that value.
union foo {
int a; // can't use both a and b at once
char b;
} foo;
struct bar {
int a; // can use both a and b simultaneously
char b;
} bar;
union foo x;
x.a = 3; // OK
x.b = 'c'; // NO! this affects the value of x.a!
struct bar y;
y.a = 3; // OK
y.b = 'c'; // OK
ed...
How do BitTorrent magnet links work?
...move last 'e' to compensate for bencoding
return String.Join("", bytes.Select(b => b.ToString("X2")));
}
As I understand it, this hash does not include any information on how to locate the tracker, the client needs to find this out through other means (the announce url provided). This is j...
Split comma-separated strings in a column into separate rows
... occasions, because the datatable approaches only produce tables with the "selected" columns, while dplyr produces a result with all the columns (including the ones not involved in the analysis and without having to write their names in the function).
– Ferroao
...
Does delete on a pointer to a subclass call the base class destructor?
...n this will happen when the containing object is destroyed.
class A
{
char *someHeapMemory;
public:
A() : someHeapMemory(new char[1000]) {}
~A() { delete[] someHeapMemory; }
};
class B
{
A* APtr;
public:
B() : APtr(new A()) {}
~B() { delete APtr; }
};
class C
{
A Amemb...
Method Syntax in Objective-C
...ersonData) for setting some information about person:
void setPersonData( char* name, int age, float height ) {
and in Objective-C the method would be more descriptive (setPersonName:andAge:andHeight:), like
- (void) setPersonName: (char *)name andAge:(int)age andHeight:(float)height {
...
How can I link to a specific glibc version?
...ric
so in menuconfig I do:
Operating System
Version of linux
so I select:
4.14.71
which is the first equal or older version. It has to be older since the kernel is backwards compatible.
Now you can build with:
env -u LD_LIBRARY_PATH time ./ct-ng build CT_JOBS=`nproc`
and now wait for...
Converting any string into camel case
...elcase/5 . Care to contribute a version that can handle (remove) non-alpha chars? camelize("Let's Do It!") === "let'SDoIt!" sad face. I'll try myself but fear I will just add another replace.
– Orwellophile
May 19 '15 at 7:22
...
How to disable GCC warnings for a few lines of code
...ing puts.c source code
#include <stdio.h>
int main(int argc, const char *argv[])
{
while (*++argv) puts(*argv);
return 0;
}
It will not compile because argc is unused, and the settings are hardcore (-W -Wall -pedantic -Werror).
There are 5 things you could do:
Improve the source...
What is the string length of a GUID?
I want to create a varchar column in SQL that should contain N'guid' while guid is a generated GUID by .NET ( Guid.NewGuid ) - class System.Guid.
...