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Vertically aligning CSS :before and :after content [duplicate]
...ion after reading your advice on the vertical-align CSS attribute. Thanks for the tip!
.pdf:before {
padding: 0 5px 0 0;
content: url(../img/icon/pdf_small.png);
vertical-align: -50%;
}
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How to send objects in NIB files to front/back?
... clean, up-to-date answer to this:
Select an interface object, then "Editor | Arrange | Send to back/front/etc", OR
Select the window object, then click on 'Window' above the interface editor and select the objects it contains
This pic shows where to click:
Or you can expand the object browser...
Onclick javascript to make browser go back to previous page?
... your input element
<input
action="action"
onclick="window.history.go(-1); return false;"
type="submit"
value="Cancel"
/>
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Is there a way to make mv create the directory to be moved to if it doesn't exist?
So, if I'm in my home directory and I want to move foo.c to ~/bar/baz/foo.c , but those directories don't exist, is there some way to have those directories automatically created, so that you would only have to type
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Plot two graphs in same plot in R
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lines() or points() will add to the existing graph, but will not create a new window. So you'd need to do
plot(x,y1,type="l",col="red")
lines(x,y2,col="green")
...
How to properly use unit-testing's assertRaises() with NoneType objects? [duplicate]
...
If you are using python2.7 or above you can use the ability of assertRaises to be use as a context manager and do:
with self.assertRaises(TypeError):
self.testListNone[:1]
If you are using python2.6 another way beside the one given until now is ...
Validating IPv4 addresses with regexp
I've been trying to get an efficient regex for IPv4 validation, but without much luck. It seemed at one point I had had it with (25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?(\.|$)){4} , but it produces some strange results:
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Updating version numbers of modules in a multi-module Maven project
...ule project.
If you made a mistake, do
mvn versions:revert
afterwards, or
mvn versions:commit
if you're happy with the results.
Note: this solution assumes that all modules use the aggregate pom as parent pom also, a scenario that was considered standard at the time of this answer. If that...
How do I unload (reload) a Python module?
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You can reload a module when it has already been imported by using the reload builtin function (Python 3.4+ only):
from importlib import reload
import foo
while True:
# Do some things.
if is_changed(foo):
foo = reload(foo)
In Python 3, reload was moved to...
NPM modules won't install globally without sudo
I have just reinstalled Ubuntu 12.04 LTS, and before anything else i did these steps :
14 Answers
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