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Python argparse command line flags without arguments
...have it, the argument w is expecting a value after -w on the command line. If you are just looking to flip a switch by setting a variable True or False, have a look at http://docs.python.org/dev/library/argparse.html#action (specifically store_true and store_false)
import argparse
parser = argpars...
Sorting arraylist in alphabetical order (case insensitive)
...s1, String s2) {
return s1.compareToIgnoreCase(s2);
}
});
Or if you are using Java 8:
list.sort(String::compareToIgnoreCase);
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fo...
Compare two Byte Arrays? (Java)
...
In your example, you have:
if (new BigInteger("1111000011110001", 2).toByteArray() == array)
When dealing with objects, == in java compares reference values. You're checking to see if the reference to the array returned by toByteArray() is the same a...
What does value & 0xff do in Java?
...on something like this is necessary is that byte is a signed type in Java. If you just wrote:
int result = value;
then result would end up with the value ff ff ff fe instead of 00 00 00 fe. A further subtlety is that the & is defined to operate only on int values1, so what happens is:
value...
Why specify @charset “UTF-8”; in your CSS file?
...
It tells the browser to read the css file as UTF-8. This is handy if your CSS contains unicode characters and not only ASCII.
Using it in the meta tag is fine, but only for pages that include that meta tag.
Read about the rules for character set resolution of CSS files at the w3c spec for...
When to use Vanilla JavaScript vs. jQuery?
...k you get the idea.
There will be times when performance is crucial. Like if you're performing something in a loop many times over, you may want to ditch jQuery.
In general you can replace:
$(el).attr('someName');
with:
Above was poorly worded. getAttribute is not a replacement, but it does re...
Remove trailing newline from the elements of a string list
...
If you're using Python 2, note however, that str.strip only works if you're sure that the list does not contain unicode strings. If it can contain both 8-bit and unicode strings, use lambda s: s.strip() as mentioned above, or...
How to install a previous exact version of a NPM package?
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If you have to install an older version of a package, just specify it
npm install <package>@<version>
For example: npm install express@3.0.0
You can also add the --save flag to that command to add it to your p...
Is not an enclosing class Java
...lass.
The simplest solution is to make ZShape and any nested class static if you can.
I would also make any fields final or static final that you can as well.
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What are the best practices for using Assembly Attributes?
...ributes should be in solution wide file and which are project/assembly specific?
8 Answers
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