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How to go up a level in the src path of a URL in HTML?
...
In Chrome when you load a website from some HTTP server both absolute paths (e.g. /images/sth.png) and relative paths to some upper level directory (e.g. ../images/sth.png) work.
But!
When you load (in Chrome!) a HTML document from local filesystem you cann...
How to concatenate string variables in Bash
... be done as well - the point is making sure the variable name is separated from the non-variable-name parts so that it parses correctly.
– twalberg
Dec 10 '14 at 3:57
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How to use shared memory with Linux in C
... } else
printf("segment contains: \"%s\"\n", data);
/* detach from the segment: */
if (shmdt(data) == -1) {
perror("shmdt");
exit(1);
}
return 0;
}
Steps :
Use ftok to convert a pathname and a project identifier to a System V IPC key
Use shmget which a...
Why are arrays of references illegal?
... @AaronMcDaid I think the real reason - which is so conspicuously absent from this & similar discussions - is that if one had an array of references, how would one possibly disambiguate between the address of an element & the address of its referent? The immediate objection to 'You can't p...
Should operator
...o use a stream-like object of type T.
And that you want to extract/insert from/into T the relevant data of your object of type Paragraph.
Generic operator << and >> function prototypes
The first being as functions:
// T << Paragraph
T & operator << (T & p_oOutputS...
Creating an instance of class
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Allocates some dynamic memory from the free store, and creates an object in that memory using its default constructor. You never delete it, so the memory is leaked.
Does exactly the same as 1; in the case of user-defined types, the parentheses are optiona...
Get the current time in C
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Copy-pasted from here:
/* localtime example */
#include <stdio.h>
#include <time.h>
int main ()
{
time_t rawtime;
struct tm * timeinfo;
time ( &rawtime );
timeinfo = localtime ( &rawtime );
printf ( "Curr...
How to change the font size on a matplotlib plot
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From the matplotlib documentation,
font = {'family' : 'normal',
'weight' : 'bold',
'size' : 22}
matplotlib.rc('font', **font)
This sets the font of all items to the font specified by the kwargs object, ...
Ideal Ruby project structure
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See the following example from http://guides.rubygems.org/what-is-a-gem/
% tree freewill
freewill/
├── bin/
│ └── freewill
├── lib/
│ └── freewill.rb
├── test/
│ └── test_f...
How do I request a file but not save it with Wget? [closed]
...
Uh, I tried this and it didn't work for me. From what I found out, the ampersand should come after the greater than symbol.
– Tiago Espinha
Jul 12 '13 at 10:32
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