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Proper use of 'yield return'
The yield keyword is one of those keywords in C# that continues to mystify me, and I've never been confident that I'm using it correctly.
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What does threadsafe mean?
...read (other than the UI thread) and an exception was thrown. It said something about the "code not being thread safe" and so I ended up writing a delegate (sample from MSDN helped) and calling it instead.
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How does strtok() split the string into tokens in C?
Please explain to me the working of strtok() function. The manual says it breaks the string into tokens. I am unable to understand from the manual what it actually does.
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{version} wildcard in MVC4 Bundle
In MVC 4 we have bundles. While defining the bundles we can use wildcards like * for all files in a folder.
3 Answers
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Asterisk in function call
I'm using itertools.chain to "flatten" a list of lists in this fashion:
3 Answers
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Database design for a survey [closed]
I need to create a survey where answers are stored in a database. I'm just wondering what would be the best way to implement this in the database, specifically the tables required. The survey contains different types of questions. For example: text fields for comments, multiple choice questions, and...
How to serialize SqlAlchemy result to JSON?
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A flat implementation
You could use something like this:
from sqlalchemy.ext.declarative import DeclarativeMeta
class AlchemyEncoder(json.JSONEncoder):
def default(self, obj):
if isinstance(obj.__class__, DeclarativeMeta):
# an SQLAlchemy c...
warning: Insecure world writable dir /usr/local/bin in PATH, mode 040777
...ou will need to have root access to do this. If you aren't already the administrative user, login as the administrator. Then use 'sudo' to change the permissions:
sudo chmod go-w /usr/local/bin
Obviously, that will mean you can no longer install material in /usr/local/bin except via 'sudo', but...
Test whether a list contains a specific value in Clojure
What is the best way to test whether a list contains a given value in Clojure?
18 Answers
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How to make a Java thread wait for another thread's output?
I'm making a Java application with an application-logic-thread and a database-access-thread.
Both of them persist for the entire lifetime of the application and both need to be running at the same time (one talks to the server, one talks to the user; when the app is fully started, I need both of t...