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Semaphore vs. Monitors - what's the difference?
What are the major differences between a Monitor and a Semaphore ?
6 Answers
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BigDecimal - to use new or valueOf
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Those are two separate questions: "What should I use for BigDecimal?" and "What do I do in general?"
For BigDecimal: this is a bit tricky, because they don't do the same thing. BigDecimal.valueOf(double) will use the canonical String representation of the double value passed in...
Array versus linked-list
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It's easier to store data of different sizes in a linked list. An array assumes every element is exactly the same size.
As you mentioned, it's easier for a linked list to grow organically. An array's size needs to be known ahead of time, or ...
Should unit tests be written for getter and setters?
Are we supposed to write tests for our getters and setters or is it overkill?
13 Answers
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How can I find WPF controls by name or type?
I need to search a WPF control hierarchy for controls that match a given name or type. How can I do this?
18 Answers
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Why does Java have transient fields?
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The transient keyword in Java is used to indicate that a field should not be part of the serialization (which means saved, like to a file) process.
From the Java Language Specification, Java SE 7 Edition, Section 8.3.1.3. transient Fields:
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Change date of git tag (or GitHub Release based on it)
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WARNING: This will not preserve tag messages for annotated tags.
Summary
For each tag that needs to be changed:
Go back in time to the commit representing the tag
Delete the tag (locally and remotely)
This will turn your "Release" on GitHub into a Draft that you c...
Getting the exception value in Python
...xception classes will have an args attribute. Often, args[0] will be an error message.
It should be noted that just using str will return an empty string if there's no error message whereas using repr as pyfunc recommends will at least display the class of the exception. My take is that if you're p...
how do you filter pandas dataframes by multiple columns
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Using & operator, don't forget to wrap the sub-statements with ():
males = df[(df[Gender]=='Male') & (df[Year]==2014)]
To store your dataframes in a dict using a for loop:
from collections import defaultdict
dic={}
for g in ['male'...
Why should I implement ICloneable in c#?
...ere's no clear indication from the interface whether your Clone method performs a "deep" or "shallow" clone.
See this blog post from Brad Abrams back in 2003(!) for more information.
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