大约有 47,000 项符合查询结果（耗时：0.0302秒） [XML]
'uint32_t' identifier not found error
I'm porting code from Linux C to Visual C++ for windows.
7 Answers
7
...
Django 1.7 - makemigrations not detecting changes
... been carried out. See the 'Adding migration to apps' in the documentation for more details.
share
|
improve this answer
|
follow
|
...
How do I parallelize a simple Python loop?
...
Using multiple threads on CPython won't give you better performance for pure-Python code due to the global interpreter lock (GIL). I suggest using the multiprocessing module instead:
pool = multiprocessing.Pool(4)
out1, out2, out3 = zip(*pool.map(calc_stuff, range(0, 10 * offset, o...
How can I create directory tree in C++/Linux?
...
#include <string.h>
/* "sysstat.h" == <sys/stat.h> with fixup for (old) Windows - inc mode_t */
#include "sysstat.h"
typedef struct stat Stat;
static int do_mkdir(const char *path, mode_t mode)
{
Stat st;
int status = 0;
if (stat(path, &st) != 0...
What is the JavaScript equivalent of var_dump or print_r in PHP? [duplicate]
I would like to see the structure of object in JavaScript (for debugging). Is there anything similar to var_dump in PHP?
9 ...
How do I migrate a model out of one django app and into a new one?
...one of these models should be in a separate app. I do have south installed for migrations, but I don't think this is something it can handle automatically. How can I migrate one of the models out of the old app into a new one?
...
How do I find the location of Python module sources?
How do I learn where the source file for a given Python module is installed? Is the method different on Windows than on Linux?
...
Passing a std::array of unknown size to a function
...mulArray(std::array<int, SIZE>& arr, const int multiplier) {
for(auto& e : arr) {
e *= multiplier;
}
}
Here is a live example.
share
|
improve this answer
|
...
Queries vs. Filters
...fference is simple: filters are cached and don't influence the score, therefore faster than queries. Have a look here too. Let's say a query is usually something that the users type and pretty much unpredictable, while filters help users narrowing down the search results , for example using facets.
...
How to set the prototype of a JavaScript object that has already been instantiated?
...ject itself, rather is reflected when that object is used as a constructor for other objects, and has no use in changing the prototype of an existing object.
function myFactory(){};
myFactory.prototype = someOtherObject;
var newChild = new myFactory;
newChild.__proto__ === myFactory.prototype === ...