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How to add property to a class dynamically?
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I suppose I should expand this answer, now that I'm older and wiser and know what's going on. Better late than never.
You can add a property to a class dynamically. But that's the catch: you have to add it to the class.
>>> class Foo(object):
... ...
How can I get around MySQL Errcode 13 with SELECT INTO OUTFILE?
... point this out, but there is a reason App Armor doesn't allow this. MySQL now has the ability to modify and read anything in the /data folder. Just don't get hacked now.
– Ryan Ward
Nov 1 '11 at 3:01
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Can I start the iPhone simulator without “Build and Run”?
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Xcode 6.x
In Xcode 6.x, the iPhone Simulator has moved yet again, and now resides here: /Applications/Xcode.app/Contents/Developer/Applications/iOS Simulator.app.
Xcode 4.x, 5.x
In Xcode 4.x (through 4.5 on Mountain Lion) and Xcode 5.0.x on Mavericks, it lives here: /Applications/Xcode.app...
How to create a private class method?
...method in a separate line. I personally don't like this usage but good to know that it exists.
private_class_method def self.method_name
....
end
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reducing number of plot ticks
...hould be. For example, if the original tick labels are [0, 1, ..., 99] and now one sets nticks=10, then the new sparse labels will be placed ten times as long apart along the axis, i.e. now 1 will sit where 9 was, 2 where 19 was... and 9 where 99 was.
– Vim
Mar...
SQL injection that gets around mysql_real_escape_string()
...5.6 by default: big5, cp932, gb2312, gbk and sjis. We'll select gbk here.
Now, it's very important to note the use of SET NAMES here. This sets the character set ON THE SERVER. If we used the call to the C API function mysql_set_charset(), we'd be fine (on MySQL releases since 2006). But more on wh...
How to use ssh agent forwarding with “vagrant ssh”?
... user to "git clone" but I can not use "root" user to "git clone". Do you know what seem to be the issue? Thanks
– Nam Nguyen
Jan 20 '14 at 8:31
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Can I specify multiple users for myself in .gitconfig?
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This is the best answer now that git 2.13 has been released.
– tejasbubane
May 10 '17 at 11:18
2
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Sorting a list using Lambda/Linq to objects
...ist.OrderBy(sorter);
else
list = list.OrderByDescending(sorter);
}
Now you can specify the field to sort when calling the Sort method.
Sort(ref employees, e => e.DOB, SortDirection.Descending);
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Java String remove all non numeric characters
...de:
String str = "a12.334tyz.78x";
str = str.replaceAll("[^\\d.]", "");
Now str will contain "12.334.78".
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