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How to Test a Concern in Rails
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edited Sep 24 '19 at 10:07
Rimian
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answ...
Memcache(d) vs. Varnish for speeding up 3 tier web architecture
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Brennan
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answered Dec 20 '10 at 13:50
Jeff FerlandJeff Fer...
Are PostgreSQL column names case-sensitive?
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edited Oct 10 '19 at 14:32
answered Jan 2 '14 at 9:53
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Disabling Strict Standards in PHP 5.4
...n potentially put this in your .htaccess file:
php_value error_reporting 30711
This is the E_ALL value (32767) and the removing the E_STRICT (2048) and E_NOTICE (8) values.
If you don't have access to the .htaccess file or it's not enabled, you'll probably need to put this at the top of the PHP ...
9个常用iptables配置实例 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...p发来的包丢弃：
BLOCK_THIS_IP="x.x.x.x"
iptables -A INPUT -i eth0 -p tcp -s "$BLOCK_THIS_IP" -j DROP
以上命令设置将由x.x.x.x ip发往eth0网口的tcp包丢弃。
4.配置服务项
利用iptables，我们可以对日常用到的服务项进行安全管理，比如设定只能...
Delete Local Folder in TFS
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edited Jun 20 at 9:12
Community♦
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answered Jun 19 '14 at 7:43
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Split string using a newline delimiter with Python
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phoenix
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answered Feb 26 '14 at 13:34
wimwim
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How do I determine the target architecture of static library (.a) on Mac OS X?
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edited May 2 '14 at 2:20
Paul Du Bois
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answered...
Event system in Python
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PyPI packages
As of June 2020, these are the event-related packages available on PyPI,
ordered by most recent release date.
RxPy3 1.0.1: June 2020
pluggy 0.13.1: June 2020 (beta)
Louie 2.0: Sept 2019
python-dispatch 0.1.2: Feb 2019
PyPubSub 4.0.3: Ja...
A fast method to round a double to a 32-bit int explained
... mantissa.
Now, to the magic number; as you correctly stated, 6755399441055744 is 2^51 + 2^52; adding such a number forces the double to go into the "sweet range" between 2^52 and 2^53, which, as explained by Wikipedia here, has an interesting property:
Between 252=4,503,599,627,370,496 and 2...