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java get file size efficiently
...m access is one of the major responsibilities of an OS. faqs.org/docs/linux_admin/buffer-cache.html To get good benchmarking results, the cache should be cleared before each run.
– z0r
Jul 6 '12 at 0:16
...
Pointers in Python?
...putations, possibilities would include:
class Form(object):
...
def __getattr__(self, name):
return self.data[name]
and
class Form(object):
...
@property
def data(self):
return self.__dict__
The presence of .value suggests picking the first form, plus a kind-of-use...
How do I read any request header in PHP
...instead of all headers, the quickest method is:
<?php
// Replace XXXXXX_XXXX with the name of the header you need in UPPERCASE (and with '-' replaced by '_')
$headerStringValue = $_SERVER['HTTP_XXXXXX_XXXX'];
ELSE IF: you run PHP as an Apache module or, as of PHP 5.4, using FastCGI (simple me...
Is it possible to forward-declare a function in Python?
...
in short, if you have if __name__ == '__main__': main() as the last line in your script everything will be just fine!
– Filipe Pina
Aug 3 '11 at 12:24
...
What is time_t ultimately a typedef to?
...
The time_t Wikipedia article article sheds some light on this. The bottom line is that the type of time_t is not guaranteed in the C specification.
The time_t datatype is a data type in
the ISO C library defined for storing
s...
IOCTL Linux device driver [closed]
...ion from and to the driver. An example of how to set this up:
static ssize_t mydrvr_version_show(struct device *dev,
struct device_attribute *attr, char *buf)
{
return sprintf(buf, "%s\n", DRIVER_RELEASE);
}
static DEVICE_ATTR(version, S_IRUGO, mydrvr_version_show, NULL);
And during ...
How to find memory leak in a C++ code/project?
.... The most common and most easy way to detect is, define a macro say, DEBUG_NEW and use it, along with predefined macros like __FILE__ and __LINE__ to locate the memory leak in your code. These predefined macros tell you the file and line number of memory leaks.
DEBUG_NEW is just a MACRO which is u...
Debugging Package Manager Console Update-Database Seed Method
...ext.Database.GetPendingMigrations() instead.
– stevie_c
Apr 27 '18 at 14:11
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C99 stdint.h header and MS Visual Studio
... Without this header I have no definitions for useful types such as uint32_t, etc.
7 Answers
...
What is the meaning of “__attribute__((packed, aligned(4))) ”
...;
char Data4;
//1-byte Added here.
}sSampleStruct;
We can use __attribute__((packed, aligned(X))) to insist particular(X) sized padding. X should be powers of two. Refer here
typedef struct
{
char Data1;
int Data2;
unsigned short Data3;
char Data4;
}__attribute__((...