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Passing multiple error classes to ruby's rescue clause in a DRY fashion
...ne statement. I made another exception class called FileLoadError and then set up the above three exceptions to inherit from it. I then rescued only FileLoadError.
Like this:
class FileLoadError < StandardError
end
class FileNamesMissingError < FileLoadError
end
class InputFileMissingError...
Import module from subfolder
...mistake I did:
consider the file structure.
Parent
. __init__.py
. Setup
.. __init__.py
.. Generic-Class-Folder
... __init__.py
... targetClass.py
. Check
.. __init__.py
.. testFile.py
What I wanted to do?
from testFile.py, I wanted to import the 't...
from jquery $.ajax to angular $http
...d)
AngularJS will take care of converting JS objects into JSON string and setting headers (those are customizable)
Callback functions are named success and error respectively (also please note parameters of each callback) - Deprecated in angular v1.5
use then function instead.
More info of then us...
Mongoose indexing in production code
...
I have a question to add...What if I set it false? Than will the indexes be created when i insert the data or do I need to explicitly create it. I am sorry if this is a novice question but it would be really helpful if you answered.
– Saran...
make: Nothing to be done for `all'
....c $(FOODEPS)
%.o: %.c
$(CC) $< -o $@
I had several dependencies set up this way, and was trying to use one pattern recipe for them all. Clearly, a single substitution for "%" isn't going to work here. I made explicit rules for each dependency, and I found myself back among the puppies and...
Are empty HTML5 data attributes valid?
... value is "". Since it's a falsy value, you can't just use if (element.dataset.myattr) to check whether an attribute is present.
You should use element.hasAttribute('myattr') or if (element.dataset.myattr !== undefined) instead.
Lloyd's answer is wrong. He mentions link to boolean attributes micros...
Find column whose name contains a specific string
... This syntax is list comprehension.
If you only want the resulting data set with the columns that match you can do this:
df2 = df.filter(regex='spike')
print(df2)
Output:
spike-2 spiked-in
0 1 7
1 2 8
2 3 9
...
How to synchronize a static variable among threads running different instances of a class in Java?
...onize the read operation on count if you want to read the correct value as set by other threads. Declaring it volatile (in addition to synchronized write) will also help with this.
– n0rm1e
Apr 24 '13 at 14:27
...
Cannot pass null argument when using type hinting
...can be made to accept NULL values if the default value of the parameter is set to NULL.
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Should I be concerned about excess, non-running, Docker containers?
...
An image is a snapshot of file system and dependencies or a specific set of directories of a particular application/software. By snapshot I mean, a copy of just those files which are required to run that piece of software (for example mysql, redis etc.) with basic configurations in a container...