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How do I move to end of line in Vim?
... beginning of line), as an aside. Pressing just the ^ will place your cursor at the first non-white-space character of the line.
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Reusable library to get human readable version of file size?
...sing the above "too small a task to require a library" issue by a straightforward implementation:
def sizeof_fmt(num, suffix='B'):
for unit in ['','Ki','Mi','Gi','Ti','Pi','Ei','Zi']:
if abs(num) < 1024.0:
return "%3.1f%s%s" % (num, unit, suffix)
num /= 1024.0
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How to include a Font Awesome icon in React's render()
...ct's render() , it isn't displayed on the resulting web page although it works in normal HTML.
15 Answers
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Repeat string to certain length
...return (string_to_expand * ((length/len(string_to_expand))+1))[:length]
For python3:
def repeat_to_length(string_to_expand, length):
return (string_to_expand * (int(length/len(string_to_expand))+1))[:length]
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os.walk without digging into directories below
How do I limit os.walk to only return files in the directory I provide it?
20 Answers
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Difference between null and empty (“”) Java String
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a==b returns false because "" and null do not occupy the same space in memory--in other words, their variables don't point to the same objects.
a.equals(b) returns false because "" does not equal null, obviously.
The difference is though that since "" is an actual string, you can still invoke met...
SQL Data Reader - handling Null column values
I'm using a SQLdatareader to build POCOs from a database. The code works except when it encounters a null value in the database. For example, if the FirstName column in the database contains a null value, an exception is thrown.
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Difference between if () { } and if () : endif;
...have MVC in your code and don't want to have a lot of echos in your code. For example, in my .phtml files (Zend Framework) I will write something like this:
<?php if($this->value): ?>
Hello
<?php elseif($this->asd): ?>
Your name is: <?= $this->name ?>
<?php else: ?>...
How to get back to most recent version in Git?
...u could say something like git checkout HEAD~2, but better to create a temporary branch based on that time, so git checkout -b temp_branch HEAD~2
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Importing files from different folder
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Note: This answer was intended for a very specific question. For most programmers coming here from a search engine, this is not the answer you are looking for. Typically you would structure your files into packages (see other answers) instead of modifying t...