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When would you use the Builder Pattern? [closed]
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This builder would then spit out the HTML for me. This is much easier to read than walking through a large procedural method.
Check out Builder Pattern on Wikipedia.
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How to check the version before installing a package using apt-get?
...ted,
so don't depend on the relevance to the real current situation!
Reading package lists... Done
Building dependency tree
Reading state information... Done
The following extra packages will be installed:
libjemalloc1 redis-tools
The following NEW packages will be installed:
libjem...
what's the correct way to send a file from REST web service to client?
... a well-known multi-file format that most clients should easily be able to read. Use compression only if it makes sense for your data, i.e. not for pre-compressed files like JPEGs. On the client side, there's ZipInputStream to parse the response.
– Philipp Reichart
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Syntax behind sorted(key=lambda: …)
... before the evens, the evens themselves are not sorted. Why is this?? Lets read the docs:
Key Functions Starting with Python 2.4, both list.sort() and sorted() added a key parameter to specify a function to be called on
each list element prior to making comparisons.
We have to do a little bi...
How does lucene index documents?
I read some document about Lucene; also I read the document in this link
( http://lucene.sourceforge.net/talks/pisa ).
4 An...
What is the difference between NTFS Junction Points and Symbolic Links?
...unverified statement in the Wikipedia entry on NTFS reparse points (a good read).*
Other NTFS Link Comparisons
Here are some other comparisons on the topic, but these can be misleading when considering junctions because they don't list the benefits I list above.
Taken from here (a good introduc...
What is the difference between a symbolic link and a hard link?
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I also wrote a blog on that after some reading and experiments csharpbsharp.tumblr.com
– Adnan Bhatti
Mar 12 '13 at 4:45
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What does the “at” (@) symbol do in Python?
...he beginning of a line is used for class, function and method decorators.
Read more here:
PEP 318: Decorators
Python Decorators
The most common Python decorators you'll run into are:
@property
@classmethod
@staticmethod
If you see an @ in the middle of a line, that's a different thing, matri...
Will strlen be calculated multiple times if used in a loop condition?
...is only true if ss is not changed in for loop.
For example, if you use a read-only function on ss in for loop but don't declare the ss-parameter as const, the compiler cannot even know that ss is not changed in the loop and has to calculate strlen(ss) in every iteration.
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How to compute the sum and average of elements in an array?
...written like this : elements.length || 1 which is shorter, and easier to read.
– 4rzael
Oct 28 '15 at 11:30
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