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Getting error: Peer authentication failed for user “postgres”, when trying to get pgsql working with

...Restart the server $ sudo service postgresql restart Login into psql and set your password $ psql -U postgres db> ALTER USER postgres with password 'your-pass'; Finally change the pg_hba.conf from local all postgres trust to local all ...
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An “and” operator for an “if” statement in Bash

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What's the u prefix in a Python string?

...are Developer Absolutely, Positively Must Know About Unicode and Character Sets (No Excuses!) essay on character sets. Q: sry no time code pls A: Fine. try str('Some String') or 'Some String'.encode('ascii', 'ignore'). But you should really read some of the answers and discussion on Converting a U...
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Elegant ways to support equivalence (“equality”) in Python classes

...e). Are we there yet? Not quite. How many unique numbers do we have? len(set([n1, n2, n3])) # 3 -- oops Sets use the hashes of objects, and by default Python returns the hash of the identifier of the object. Let’s try to override it: def __hash__(self): """Overrides the default implementa...
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How to pause a YouTube player when hiding the iframe?

... Hey an easy way is to simply set the src of the video to nothing, so that the video will desapear while it's hidden an then set the src back to the video you want when you click on the link that opens the video.. to do that simply set an id to the youtub...
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防挂马:apache禁止访问文件或目录执行权限、禁止运行脚本PHP文件的设置方...

...无权限的列子,配置如下:代码如下:<Directory " var www upload"><FilesMatch " PHP">Order Allow,DenyDe 我们来看俩段通常对上传目录设置无权限的列子,配置如下: 代码如下: <Directory "/var/www/upload"> <FilesMatch ".PHP"> Order Allow,Deny Deny from all ...
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How to use Active Support core extensions

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C++ Exceptions questions on rethrow of original exception

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Which characters make a URL invalid?

...rticular component of the generic URI syntax. Characters in the "reserved" set are not reserved in all contexts. The hostname, for example, can contain an optional username so it could be something like ftp://user@hostname/ where the '@' character has special meaning. Here is an example of a URL th...
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How can I get selector from jQuery object

... Thanks for the comments, I'll set up a proper test suite in a fiddle this weekend and work on incorporating your suggestions. – Will Mar 29 '13 at 15:02 ...