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How to read the content of a file to a string in C?
... 0, SEEK_END);
length = ftell (f);
fseek (f, 0, SEEK_SET);
buffer = malloc (length);
if (buffer)
{
fread (buffer, 1, length, f);
}
fclose (f);
}
if (buffer)
{
// start to process your data / extract strings here...
}
...
.NET unique object identifier
...utomatically so the information is correct.
Object IDs are 64-bit numbers. Allocation starts from one, so zero is never a valid object ID. A formatter can choose a zero value to represent an object reference whose value is a null reference (Nothing in Visual Basic).
...
Make a program run slowly
...ll not slow down the execution speed per se, but will make Linux scheduler allocate less (and possibly shorter) execution time frames, preempt more often, etc. See Process Scheduling (Chapter 10) of Understanding the Linux Kernel for more details on scheduling.
You may want to increase the timer int...
How to merge YAML arrays?
...tlab:
.pip_git: &pip_git
- git config --global url."https://gitlab-ci-token:${CI_JOB_TOKEN}@gitlab.com".insteadOf "ssh://git@gitlab.com"
- mkdir -p ~/.ssh
- chmod 700 ~/.ssh
- echo "$SSH_KNOWN_HOSTS" > ~/.ssh/known_hosts
- chmod 644 ~/.ssh/known_hosts
test:
image: python:3.7.3
stage...
How do I base64 encode (decode) in C?
... *output_length = 4 * ((input_length + 2) / 3);
char *encoded_data = malloc(*output_length);
if (encoded_data == NULL) return NULL;
for (int i = 0, j = 0; i < input_length;) {
uint32_t octet_a = i < input_length ? (unsigned char)data[i++] : 0;
uint32_t octet_b = ...
Rails Root directory path?
... It's usually not a good idea to hardcode what the file separator token is (\ or /).
– Alexander Bird
Mar 15 '13 at 15:05
add a comment
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How to throw an exception in C?
...r.c
#include <stdlib.h>
#include <stdint.h>
extern void *__cxa_allocate_exception(size_t thrown_size);
extern void __cxa_throw (void *thrown_exception, void* *tinfo, void (*dest) (void *) );
extern void * _ZTIl; // typeinfo of long
int bar1()
{
int64_t * p = (int64_t*)__cxa_allocate_e...
How can I iterate over an enum?
...
Except now you've actually allocated memory when an enum, provided it is zero-indexed and strictly continous, can do that task without allocating memory.
– Cloud
Jan 17 '14 at 23:02
...
How to concatenate strings in twig
... a function as one argument, with filters on the variable and the function token itself: {{ form_open('admin/files/?path='~file_path|urlencode)|raw }} No need for an extra variable.
– Wesley Murch
Mar 9 '12 at 6:28
...
Building big, immutable objects without using constructors having long parameter lists
...ore instances than necessary - isn't really that much of a problem. Object allocation is very cheap, as is garbage collection of short-lived objects. When escape analysis is enabled by default, this kind of "intermediate objects" are likely to be stack allocated and cost literally nothing to create....