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Vim: faster way to select blocks of text in visual mode
...d am aware that selecting blocks of text in visual mode is as simple as SHIFT + V and moving the arrow key up or down line-by-line until I reach the end of the block of text that I want selected.
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generate days from date range
..., the performance is surprisingly good: the above query takes 0.0009 sec.
If we extend the subquery to generate approx. 100,000 numbers (and thus about 274 years worth of dates), it runs in 0.0458 sec.
Incidentally, this is a very portable technique that works with most databases with minor adjust...
What's the difference between a catalog and a schema in a relational database?
... view :
A catalog is often synonymous with database. In most SQL dbms, if you query the information_schema views, you'll find that values in the "table_catalog" column map to the name of a database.
If you find your platform using catalog in a broader way than any of these three definitions...
How to convert JSON data into a Python object
...eturn json.loads(data, object_hook=_json_object_hook)
x = json2obj(data)
If you want it to handle keys that aren't good attribute names, check out namedtuple's rename parameter.
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Using Git, how could I search for a string across all branches?
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it would be great if you can add an example for your filters, e.g. path:, because the documentation at a glance doesnt look clear where to apply this filter, im assuming its before the quotes in your query example?
– blam...
How do I force git pull to overwrite everything on every pull?
...whereas reset is designed around simply making your local copy match a specific commit.
You may want to consider slightly different options to clean depending on your system's needs.
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Difference between git pull --rebase and git pull --ff-only
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What will happen if I use git pull --rebase ?
git pull --rebase is roughly equivalent to
git fetch
git rebase origin/master
i.e. your remote changes (C) will be applied before the local changes (D), resulting in the following tree
A -- ...
How to get the ASCII value of a character
...in whatever encoding it's in. Therefore the result of ord('ä') can be 228 if you're using Latin-1, or it can raise a TypeError if you're using UTF-8. It can even return the Unicode codepoint instead if you pass it a unicode:
>>> ord(u'あ')
12354
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Reverse a string in Python
... It works by doing [begin:end:step] - by leaving begin and end off and specifying a step of -1, it reverses a string.
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How to escape a single quote inside awk
... The sequence '\'' does the trick: it closes the single-quote literal, specifies the quote character (using an escape that is supported outside of single-quote literals) and then re-opens a new single-quote literal. You can think of it as a four-character escape sequence to get a single quote. :)
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