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Default value in Doctrine
...values are preferred as these are also properly available on newly created and persisted objects (Doctrine will not go back to the database after persisting a new object to get the default values).
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Which “href” value should I use for JavaScript links, “#” or “javascript:void(0)”?
...false;
}
But then they forget to use return doSomething() in the onclick and just use doSomething().
A second reason for avoiding # is that the final return false; will not execute if the called function throws an error. Hence the developers have to also remember to handle any error appropriately...
Double Iteration in List Comprehension
...y don't have much meaning to me! Suppose you have a text full of sentences and you want an array of words.
# Without list comprehension
list_of_words = []
for sentence in text:
for word in sentence:
list_of_words.append(word)
return list_of_words
I like to think of list comprehension a...
Full examples of using pySerial package [closed]
...show me a full python sample code that uses pyserial , i have the package and am wondering how to send the AT commands and read them back!
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Right way to reverse pandas.DataFrame?
...ich returns 6. Then it tries to call data[j - 1] for j in range(6, 0, -1), and the first call would be data[5]; but in pandas dataframe data[5] means column 5, and there is no column 5 so it will throw an exception. ( see docs )
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Visual Studio C# statement collapsing
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2012 (@MSDN)
C# outline
2013 (@MSDN)
C# outline
2015 (@MSDN)
Visual Basic and C# Outliner
The last extension supports only VS 2015 and VS 2017, but it's the most powerful one.
It supports syntax coloring inside collapsed blocks, it is more fault-tolerant and optimized.
If the extension doesn'...
Rspec: “array.should == another_array” but without concern for order
I often want to compare arrays and make sure that they contain the same elements, in any order. Is there a concise way to do this in RSpec?
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Does Redis persist data?
I understand that Redis serves all data from memory, but does it persist as well across server reboot so that when the server reboots it reads into memory all the data from disk. Or is it always a blank store which is only to store data while apps are running with no persistence?
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Select a Dictionary with LINQ
I have used the "select" keyword and extension method to return an IEnumerable<T> with LINQ, but I have a need to return a generic Dictionary<T1, T2> and can't figure it out. The example I learned this from used something in a form similar to the following:
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How to calculate number of days between two given dates?
If I have two dates (ex. '8/18/2008' and '9/26/2008' ), what is the best way to get the number of days between these two dates?
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