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How to find a Java Memory Leak
...
I use following approach to finding memory leaks in Java. I've used jProfiler with great success, but I believe that any specialized tool with graphing capabilities (diffs are easier to analyze in graphical form) will work.
Start the application and wait until it get to "stable" state, when all...
NASM x86汇编入门指南 - C/C++ - 清泛网 - 专注C/C++及内核技术
...令来为你的变量申请为初始化空间。
section .bss
filename: resb 255 ;255字节
number: resb 1
bignum: resw 1
realarray: resq 10
.text section ;代码section
这个section用于存放用户代码，.te...
Are PHP short tags acceptable to use?
...nly "short-tag" needed. <?php can be used at the start of all the class files, and then you have <?= for your views. win-win.
– Xeoncross
May 10 '12 at 18:53
6
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How do I override __getattr__ in Python without breaking the default behavior?
...gt;> a.b
42
>>> a.missing
Traceback (most recent call last):
File "<stdin>", line 1, in <module>
File "<stdin>", line 8, in __getattr__
AttributeError: 'A' object has no attribute 'missing'
>>> hasattr(a, "b")
True
>>> hasattr(a, "missing")
False
...
How to use the pass statement?
... some calling application would want to know about?).
try:
os.unlink(filename_larry)
except:
pass
Instead using at least except Error: or in this case preferably except OSError: is considered much better practice. A quick analysis of all python modules I have installed gave me that more ...
Accurate way to measure execution times of php scripts
...microtime(true) with following manners:
Put this at the start of your php file:
//place this before any script you want to calculate time
$time_start = microtime(true);
// your script code goes here
// do something
Put this at the end of your php file:
// Display Script End time
$time_end = ...
how to get the cookies from a php curl into a variable
...
If you use CURLOPT_COOKIE_FILE and CURLOPT_COOKIE_JAR curl will read/write the cookies from/to a file. You can, after curl is done with it, read and/or modify it however you want.
...
How can sbt pull dependency artifacts from git?
...git clone the project, and then reference your local copy with RootProject(file(...)). See "Full Configuration" on the SBT wiki for details and examples.
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Multiprocessing - Pipe vs Queue
...this'}]) exited while multiprocessing
Traceback (most recent call last):
File "foo.py", line 19, in __init__
self.run(args)
File "foo.py", line 46, in run
KeyError: 'that'
Source Code:
"""
multi_pipe.py
"""
from multiprocessing import Process, Pipe
import time
def reader_proc(pipe)...
How to install latest version of git on CentOS 7.x/6.x
...for the below hint and @Hiphip for the feedback:
Change the rpmforge.repo file to have rpmforge-extras to enabled,
yum update git. Otherwise it complained about dependency problems.
Note update 3:
Installing a specific version of git say 2.x
I found this nice and easy-to-follow guide on how ...