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Can I access constants in settings.py from templates in Django?
...keyword argument in the render_to_response shortcut function. Here's an example of each case:
from django.shortcuts import render_to_response
from django.template import RequestContext
from django.views.generic.simple import direct_to_template
def my_generic_view(request, template='my_template.ht...
【内核源码】linux UDP实现 - 操作系统(内核) - 清泛网 - 专注C/C++及内核技术
...
.rehash = udp_v4_rehash,
.get_port = udp_v4_get_port,
.memory_allocated = &udp_memory_allocated,
.sysctl_mem = sysctl_udp_mem,
.sysctl_wmem = &sysctl_udp_wmem_min,
.sysctl_rmem = &sysctl_udp_rmem_min,
.obj_size = sizeof(struct udp_sock),
.h.udp_table = &udp_tab...
Why 0 is true but false is 1 in the shell?
...which can usefully communicate different failure scenarios. A particular example is xargs which uses different error codes in the range around 127 to indicate how a group of commands failed. The conversion which can be done is int to bool where 0 maps to success (which I guess you want to express as...
How to check size of a file using Bash?
... be an easier way to check for file sizes instead. I.e. file.txt is normally 100k; how to make a script check if it is less than 90k (including 0), and make it do wget a new copy because the file is corrupt in this case.
...
PDO get the last ID inserted
...
That's because that's an SQL function, not PHP. You can use PDO::lastInsertId().
Like:
$stmt = $db->prepare("...");
$stmt->execute();
$id = $db->lastInsertId();
If you want to do it with SQL instead of the PDO API, you would do it like a normal select qu...
invalid byte sequence for encoding “UTF8”
...
If you need to store UTF8 data in your database, you need a database that accepts UTF8. You can check the encoding of your database in pgAdmin. Just right-click the database, and select "Properties".
But that error seems to b...
C++ convert hex string to signed integer
...ss << std::hex << "fffefffe";
ss >> x;
the following example produces -65538 as its result:
#include <sstream>
#include <iostream>
int main() {
unsigned int x;
std::stringstream ss;
ss << std::hex << "fffefffe";
ss >> x;
// o...
What are 'get' and 'set' in Swift?
...t Programming Language from Apple, I have no Objective C background (only PHP, JS, and other but no Obj C)
5 Answers
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How to track child process using strace?
...ously search for the parent thread, then the grandparent thread, and so on all the way to the root process.
4 Answers
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Utils to read resource text file to String (Java) [closed]
...useDelimiter("\\A").next();
Guys, don't use 3rd party stuff unless you really need that. There is a lot of functionality in the JDK already.
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