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Dealing with “java.lang.OutOfMemoryError: PermGen space” error
...classical example is Java.lang.OutOfMemoryError:PermGen Space in Tomcat.
Now there are two ways to solve this:
1. Find the cause of Memory Leak or if there is any memory leak.
2. Increase size of PermGen Space by using JVM param -XX:MaxPermSize and -XX:PermSize.
You can also check 2 Solution of J...
How to check iOS version?
I want to check if the iOS version of the device is greater than 3.1.3
I tried things like:
37 Answers
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MySQL: What's the difference between float and double?
... checked the mysql documentation, but honestly didn't understand what the difference is.
6 Answers
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lua和c/c++互相调用实例分析 - C/C++ - 清泛网 - 专注C/C++及内核技术
...
lua_State * l = luaL_newstate() ; //创建lua运行环境
if ( l == NULL ) err_return(-1,"luaL_newstat() failed");
int ret = 0 ;
ret = luaL_loadfile(l,"func.lua") ; //加载lua脚本文件
if ( ret != 0 ) err_return(-1,"luaL_loadfile failed") ;
ret = lua_pc...
Coding in Other (Spoken) Languages
...tood well the question actually is: "does every single coder in the world know enough English to use the exact same reserved words as I do?"
Well.. English is not the subject here but programming language reserved words. I mean, when I started about 10 yrs ago, I didn't have any clue of English, a...
How to add an integer to each element in a list?
If I have list=[1,2,3] and I want to add 1 to each element to get the output [2,3,4] ,
how would I do that?
11 Answers...
What is a CSRF token ? What is its importance and how does it work?
...se it is implied by your login.)
You visit www.cute-cat-pictures.org, not knowing that it is a malicious site.
If the owner of that site knows the form of the above request (easy!) and correctly guesses you are logged into mybank.com (requires some luck!), they could include on their page a request ...
How can I strip all punctuation from a string in JavaScript using regex?
If I have a string with any type of non-alphanumeric character in it:
13 Answers
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Best way to make Django's login_required the default
...leware may be your best bet. I've used this piece of code in the past, modified from a snippet found elsewhere:
import re
from django.conf import settings
from django.contrib.auth.decorators import login_required
class RequireLoginMiddleware(object):
"""
Middleware component that wraps ...
ZeroMQ的学习和研究（PHP代码实例） - C/C++ - 清泛网 - 专注C/C++及内核技术
...t for start of batch
$string = $receiver->recv ();
// Start our clock now
$tstart = microtime(true);
// Process 100 confirmations
$total_msec = 0; // Total calculated cost in msecs
for ($task_nbr = 0; $task_nbr < 100; $task_nbr++) {
$string = $receiver->recv ();
if($task_nbr % 10 == 0)...