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What's the difference between array_merge and array + array?
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The + sign only takes the value from the first occurence of an array key.
array_merge takes the value from the last occurrence of an array key.
Example:
$first = ['a'=>'one',
'b'=>'two',
'c'=>'three'];
$second = ['a'=>'fourth'...
How can I use a file in a command and redirect output to the same file without truncating it?
Basically I want to take as input text from a file, remove a line from that file, and send the output back to the same file. Something along these lines if that makes it any clearer.
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What is a git topic branch?
What is a git topic branch? Does it differ from an ordinary branch in some way? Are there any branches that are not topic branches?
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How do I format a date in Jinja2?
...nother, sightly better approach would be to define your own filter, e.g.:
from flask import Flask
import babel
app = Flask(__name__)
@app.template_filter()
def format_datetime(value, format='medium'):
if format == 'full':
format="EEEE, d. MMMM y 'at' HH:mm"
elif format == 'medium'...
Where does the @Transactional annotation belong?
...ree with that. Sometimes it does not matter, but sometimes you can benefit from that e.g. Hibernate session is spanned for the while transaction, so all loaded objects are in 1st-level cache and you don't need to reattach the objects to session again, plus lazily loaded properties function without f...
What is the most efficient way to concatenate N arrays?
...isting of elements to add to the array can be used instead to add elements from one array to the end of another without producing a new array. With slice() it can also be used instead of concat() but there appears to be no performance advantage from doing this.
var a = [1, 2], b = ["x", "y"];
a.pus...
Changing website favicon dynamically
...is close to what I'm looking for, but how would I get the appropriate HREF from the database. I suppose I'll have to do a server lookup from javascript, but I don't want it to get too complicated. Thanks for the tip.
– SqlRyan
Nov 4 '08 at 4:57
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Is there any difference between a GUID and a UUID?
... authors of the UUID specification and Microsoft claim they are synonyms:
From the introduction to IETF RFC 4122 "A Universally Unique IDentifier (UUID) URN Namespace": "a Uniform Resource Name namespace for UUIDs (Universally Unique IDentifier), also known as GUIDs (Globally Unique IDentifier)."
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How to convert an integer to a string in any base?
Python allows easy creation of an integer from a string of a given base via
27 Answers
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Getting a structural type with an anonymous class's methods from a macro
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