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What's the best way to get the last element of an array without deleting it?
...The many answers in this thread present us with many different options. To be able to choose from them I needed to understand their behavior and performance. In this answer I will share my findings with you, benchmarked against PHP versions 5.6.38, 7.2.10 and 7.3.0RC1 (expected Dec 13 2018).
The op...
Remove specific characters from a string in Python
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Strings in Python are immutable (can't be changed). Because of this, the effect of line.replace(...) is just to create a new string, rather than changing the old one. You need to rebind (assign) it to line in order to have that variable take the new v...
Struct like objects in Java
Is it completely against the Java way to create struct like objects?
20 Answers
20
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:: (double colon) operator in Java 8
...call the reduce method using Math.max(int, int) as follows:
reduce(new IntBinaryOperator() {
int applyAsInt(int left, int right) {
return Math.max(left, right);
}
});
That requires a lot of syntax for just calling Math.max. That's where lambda expressions come into play. Since Jav...
A proper wrapper for console.log with correct line number?
I'm now developing an application, and place a global isDebug switch. I would like to wrap console.log for more convenient usage.
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Best way to get InnerXml of an XElement?
What's the best way to get the contents of the mixed body element in the code below? The element might contain either XHTML or text, but I just want its contents in string form. The XmlElement type has the InnerXml property which is exactly what I'm after.
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How to implement one-to-one, one-to-many and many-to-many relationships while designing tables?
...t one-to-one, one-to-many and many-to-many relationships while designing tables with some examples?
4 Answers
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What does %s mean in a python format string?
What does %s mean in Python? And what does the following bit of code do?
7 Answers
7...
How to deploy an ASP.NET Application with zero downtime
To deploy a new version of our website we do the following:
11 Answers
11
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Default value for field in Django model
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Set editable to False and default to your default value.
http://docs.djangoproject.com/en/stable/ref/models/fields/#editable
b = models.CharField(max_length=7, default='0000000', editable=False)
Also, your id field is unnecessary....