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PHP mkdir: Permission denied problem

...te permissions on the directory. Here's what you do in Ubuntu Make sure all files are owned by the Apache group and user. In Ubuntu it is the www-data group and user chown -R www-data:www-data /path/to/webserver/www Next enabled all members of the www-data group to read and write files chmod -R...
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Fitting empirical distribution to theoretical ones with Scipy (Python)?

...error is determined. The distribution with the least error is returned. All Distributions Best Fit Distribution Example Code %matplotlib inline import warnings import numpy as np import pandas as pd import scipy.stats as st import statsmodels as sm import matplotlib import matplotlib.pypl...
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General guidelines to avoid memory leaks in C++ [closed]

... programs? How do I figure out who should free memory that has been dynamically allocated? 29 Answers ...
https://www.tsingfun.com/it/cpp/1616.html 

如何获取IE (控件)的所有链接(包括Frameset, iframe) - C/C++ - 清泛网 -...

...(包括Frameset, iframe)IE 顶层 body 节点通过IHTMLElement->get_all 方法无法获取iframe 里面的节点列表:CComPtr<IHTMLElement> body;...CComPtr<IDispatc...IE 顶层 body 节点通过IHTMLElement->get_all 方法无法获取iframe 里面的节点列表: CComPtr<IHTMLElement> b...
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Is gcc's __attribute__((packed)) / #pragma pack unsafe?

... Yes, __attribute__((packed)) is potentially unsafe on some systems. The symptom probably won't show up on an x86, which just makes the problem more insidious; testing on x86 systems won't reveal the problem. (On the x86, misaligned accesses are handled in hardwa...
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What does the PHP error message “Notice: Use of undefined constant” mean?

...l_escape_string($_POST['message']); As is, it was looking for constants called department, name, email, message, etc. When it doesn't find such a constant, PHP (bizarrely) interprets it as a string ('department', etc). Obviously, this can easily break if you do defined such a constant later (tho...
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#1071 - Specified key was too long; max key length is 1000 bytes

...tle have been answered before, but please do read on. I've read thoroughly all the other questions/answers on this error before posting. ...
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VIM Disable Automatic Newline At End Of File

So I work in a PHP shop, and we all use different editors, and we all have to work on windows. I use vim, and everyone in the shop keeps complaining that whenever I edit a file there is a newline at the bottom. I've searched around and found that this is a documented behavior of vi & vim... but I w...
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How do I count a JavaScript object's attributes? [duplicate]

...ry object in JavaScript derives from — includes many attributes automatically, and the exact set of attributes you get depends on the particular interpreter and what code has executed before yours. So, you somehow have to separate the ones you defined from those you got "for free." Here's one way...
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Keyboard Interrupts with python's multiprocessing Pool

...s to set up the worker processes to ignore SIGINT altogether, and confine all the cleanup code to the parent process. This fixes the problem for both idle and busy worker processes, and requires no error handling code in your child processes. import signal ... def init_worker(): signal.sign...