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Permission denied for relation
...n the database mostly is used to grant or revoke connect privileges. This allows you to specify who may do stuff in the database if they have sufficient other permissions.
You want instead:
GRANT ALL PRIVILEGES ON TABLE side_adzone TO jerry;
This will take care of this issue.
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how to get the current working directory's absolute path from irb
...ing Ruby on Windows though I don't know if that should make a difference. All I want to do is get the current working directory's absolute path. Is this possible from irb? Apparently from a script it's possible using File.expand_path(__FILE__)
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Calculate difference in keys contained in two Python dictionaries
...s:
diff = set(dictb.keys()) - set(dicta.keys())
Here is a class to find all the possibilities: what was added, what was removed, which key-value pairs are the same, and which key-value pairs are changed.
class DictDiffer(object):
"""
Calculate the difference between two dictionaries as:
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Why is using onClick() in HTML a bad practice?
...assume if the code is inside an onClick and no logic is separated. I personally have no issue debugging unobtrusive JavaScript and the benefits in managing and testing JavaScript code are far to great to not to use it.
– Nope
Nov 27 '12 at 23:04
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两大桌面系统之战：Yosemite vs Windows 10 - 操作系统(内核) - 清泛网 - ...
...一次就可以在所有设备上使用。
相比之下，iOS App Store 和 Mac App Store 则是两个完全没有关联的平台。从用户的角度来说，在 OS X 上运行 iOS 应用也许没有什么意义。在 iOS 上运行 OS X 应用，或者是在 Mac 上玩 iOS 游戏，有...
Finding a substring within a list in Python [duplicate]
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All the answers work but they always traverse the whole list. If I understand your question, you only need the first match. So you don't have to consider the rest of the list if you found your first match:
mylist = ['abc123'...
jQuery: Select data attributes that aren't empty?
I'm trying to select all elements that have a data-go-to attribute that is not empty.
11 Answers
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What is the difference between AF_INET and PF_INET in socket programming?
... to do is to use AF_INET in your
struct sockaddr_in and PF_INET in your call to socket(). But
practically speaking, you can use AF_INET everywhere. And, since
that's what W. Richard Stevens does in his book, that's what I'll do
here.
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How does the ThreadStatic attribute work?
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Is there any way to cover all the cases (multi-threading, web app multi-threading with async/await, etc) so that a single piece of work (e.g. a single web request, the processing of a single queue message, etc) get its own version of the variable, no ...
Stop Mongoose from creating _id property for sub-document array items
If you have subdocument arrays, Mongoose automatically creates ids for each one. Example:
6 Answers
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