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How can I dynamically create derived classes from a base class
...Class):
def __init__(self, **kwargs):
for key, value in kwargs.items():
# here, the argnames variable is the one passed to the
# ClassFactory call
if key not in argnames:
raise TypeError("Argument %s not valid for %s"
...
Case insensitive string compare in LINQ-to-SQL
... if you ask for a case-insensitive comparison). Is ToLower or ToUpper the best option here? Is one better than the other? I thought I read somewhere that ToUpper was better, but I don't know if that applies here. (I'm doing a lot of code reviews and everyone is using ToLower.)
...
Most efficient way to concatenate strings?
...uilder.
In an experiment, it has been proved that string.Concat() is the best way to approach if the words are less than 1000(approximately) and if the words are more than 1000 then StringBuilder should be used.
For more information, check this site.
string.Join() vs string.Concat()
The...
Where to place JavaScript in an HTML file?
...
The best place for it is just before you need it and no sooner.
Also, depending on your users' physical location, using a service like Amazon's S3 service may help users download it from a server physically closer to them than ...
Google Maps v3 - limit viewable area and zoom level
...
Now this is surely the best way to restrict the zoom level. When I was writing the post the feature wasn't present in Maps API v3. Thankfully, they keep improving the API.
– Tomik
Mar 5 '11 at 23:14
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What kind of Garbage Collection does Go use?
...
@uriel: Yes, I mentioned this in the 1st item in my answer - the text "(parallel implementation)".
– user811773
Oct 20 '11 at 19:38
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How should equals and hashcode be implemented when using JPA and Hibernate
...aching its instances. The latter is not that common. The former is usually best handled via:
Basing equals() / hashCode() on a business key - e.g. a unique combination of attributes that is not going to change during object (or, at least, session) lifetime.
If the above is impossible, base equals(...
“Least Astonishment” and the Mutable Default Argument
...or a dictionary: if the function modifies the object (e.g. by appending an item to a list), the default value is in effect modified. This is generally not what was intended. A way around this is to use None as the default, and explicitly test for it in the body of the function, e.g.:
def whats_on_t...
How to read the content of a file to a string in C?
...raw memory chunk into memory and do the parsing on my own. That way I have best control over what the standard lib does on multiple platforms.
This is a stub I use for this. you may also want to check the error-codes for fseek, ftell and fread. (omitted for clarity).
char * buffer = 0;
long length...
How to move/rename a file using an Ansible task on a remote system
....
If you want to move/rename a file entirely on a remote system then your best bet is to use the command module to just invoke the appropriate command:
- name: Move foo to bar
command: mv /path/to/foo /path/to/bar
If you want to get fancy then you could first use the stat module to check that ...