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Checking for empty queryset in Django
...:
if orgs.exists():
# Do something
or you can check for a the first item in a queryset, if it doesn't exist it will return None:
if orgs.first():
# Do something
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How do I vertically align something inside a span tag?
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The flexbox way:
.foo {
display: flex;
align-items: center;
justify-content: center;
height: 50px;
}
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In Python, how do I index a list with another list?
...h:
a = [1,"A", 34, -123, "Hello", 12]
b = [0, 2, 5]
from operator import itemgetter
print(list(itemgetter(*b)(a)))
[1, 34, 12]
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Best introduction to C++ template metaprogramming? [closed]
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[Answering my own question]
The best introductions I've found so far are chapter 10, "Static Metaprogramming in C++" from Generative Programming, Methods, Tools, and Applications by Krzysztof Czarnecki and Ulrich W. Eisenecker, ISBN-13: 9780201309775; and c...
How to change users in TortoiseSVN
...ick Clear beside Authentication Data (see below).
Check the authentication items to clear.
Click OK.
All saved Authentication Data for all projects is deleted.
You will have to re-enter credentials to reconnect.
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How using try catch for exception handling is best practice
...rException) to keep track of what really happened
Additionally, I try my best to sort exceptions correctly. There are exceptions which:
need to be shown to the user immediately
require some extra processing to put things together when they happen to avoid cascading problems (ie: put .EndUpdate i...
Best XML Parser for PHP [duplicate]
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simplexml is the best. But is not that good working with namespaces, it can get tricky sometimes
– pleasedontbelong
Sep 1 '10 at 8:09
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Best C++ Code Formatter/Beautifier
There are lots of source code formatting tools out there. Which ones work best for C++?
1 Answer
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What is the use of the @Temporal annotation in Hibernate?
...hich can be used to store in the database table on of the following column items:
DATE (java.sql.Date)
TIME (java.sql.Time)
TIMESTAMP (java.sql.Timestamp)
Generally when we declare a Date field in the class and try to store it.
It will store as TIMESTAMP in the database.
@Temporal
private Date...
Place cursor at the end of text in EditText
...ut in old versions it takes some time after the first click...all my other items does'nt become clickable...any clue??
– VijayRaj
Sep 10 '13 at 7:29
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