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Repairing Postgresql after upgrading to OSX 10.7 Lion
...ompletely borked when trying to connect to the psql server. When I do it from the command line using
15 Answers
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How do I drag and drop files into an application?
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@Burnsys if you have the filepath from the drag operation, then you can read using io.File
– Smith
May 24 '13 at 23:51
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Objective-C: Where to remove observer for NSNotification?
...ly hard to give general advice as to when it's best to remove the observer from the notification center, because that depends:
On your use case (Which notifications are observed? When do they get send?)
The implementation of the observer (When is it ready to receive notifications? When is it no lo...
Hashing a file in Python
...e who have to read bad style... which might be you reading this code years from now.
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“unrecognized import path” with go get
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When I followed the go install instructions from the official site (install from the tar file into /usr/local) I received the error above until I changed the GOROOT as above.
– Drew
Apr 10 '14 at 17:38
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Evaluating a mathematical expression in a string
...low, I've rewrapped fourFn into a numeric parser class for easier reuse.
from __future__ import division
from pyparsing import (Literal, CaselessLiteral, Word, Combine, Group, Optional,
ZeroOrMore, Forward, nums, alphas, oneOf)
import math
import operator
__author__ = 'Paul...
Git Pull While Ignoring Local Changes?
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If after git reset your files still differ from the remote, read stackoverflow.com/questions/1257592/…
– Colonel Panic
Aug 30 '12 at 22:31
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Declaring a custom android UI element using XML
... android_text attribute for MyCustomView. Attributes can then be retrieved from the TypedArray using various get functions. If the attribute is not defined in the defined in the XML, then null is returned. Except, of course, if the return type is a primitive, in which case the second argument is ret...
“f” after number
What does the f after the numbers indicate? Is this from C or Objective-C? Is there any difference in not adding this to a constant number?
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How to remove only underline from a:before?
... remove this?
Yes, if you change the display style of the inline element from display:inline (the default) to display:inline-block:
#test p a:before {
color: #B2B2B2;
content: "► ";
display:inline-block;
}
This is because the CSS specs say:
When specified on or propagated to a...