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What is the difference between “px”, “dip”, “dp” and “sp”?
...lems with dp while everything works fine with dip
– DallaRosa
Jul 4 '11 at 6:07
255
One note abou...
Hidden features of HTML
...RL paths. So the reference #top would be resolved to “top” in the root index document and to “top” in the same document.
– Gumbo
Jun 6 '09 at 17:25
17
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Git will not init/sync/update new submodules
...ule says this about init: "init: Initialize the submodules recorded in the index (which were added and committed elsewhere) by copying submodule names and urls from .gitmodules to .git/config." So it sure sounds like it should do exactly what you say it doesn't do... ? Time for a update o...
How do I raise the same Exception with a custom message in Python?
...ssign a special meaning to the elements of this tuple, while others are usually called only with a single string giving an error message.". So the code won't work arg[0] is not an error message (it could be an int, or it could be a string representing a file name).
– Trent
...
How do I find files with a path length greater than 260 characters in Windows?
...
See my answer for a way to achieve this in powershell, allowing you to either find the offending file names (those above 260 characters) or alternatively, ignore them.
– Jonno
Oct 18 '15 at 12:11
...
How to open existing project in Eclipse
...ce" option under Import->General.
See:
http://help.eclipse.org/helios/index.jsp?topic=%2Forg.eclipse.platform.doc.user%2Ftasks%2Ftasks-importproject.htm
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Unique BooleanField value in Django?
... save method of the model and if you've set the boolean to True, make sure all others are set to False.
from django.db import transaction
class Character(models.Model):
name = models.CharField(max_length=255)
is_the_chosen_one = models.BooleanField()
def save(self, *args, **kwargs):
...
In which situations do we need to write the __autoreleasing ownership qualifier under ARC?
...ents that are passed by reference (id *) and are autoreleased on return.
All of this is very well explained in the ARC transition guide.
In your NSError example, the declaration means __strong, implicitly:
NSError * e = nil;
Will be transformed to:
NSError * __strong error = nil;
When you c...
What are the default access modifiers in C#?
...y, the return type and the parameter types of any member that is a method, indexer, or delegate must be at least as accessible as the member itself. For example, you cannot have a public method M that returns a class C unless C is also public. Likewise, you cannot have a protected property of type A...
How to align a to the middle (horizontally/width) of the page [duplicate]
...#outPopUp {
position: absolute;
width: 300px;
height: 200px;
z-index: 15;
top: 50%;
left: 50%;
margin: -100px 0 0 -150px;
background: red;
}
<div id="outPopUp"></div>
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