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What is the “->” PHP operator called and how do you say it when reading code out loud? [closed]
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The official name is "object operator" - T_OBJECT_OPERATOR. I call it "arrow".
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jQuery: what is the best way to restrict “number”-only input for textboxes? (allow decimal points)
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Update
There is a new and very simple solution for this:
It allows you to use any kind of input filter on a text <input>,
including various numeric filters. This will correctly handle
Copy+Paste, Drag+Drop, keyboard shortcuts, context menu operations,
non-typeable keys,...
Installing PDO driver on MySQL Linux server
...y PDO parts from apt using sudo apt-get install php5-mysql
There is no limitation between using PDO and mysql_ simultaneously. You will however need to create two connections to your DB, one with mysql_ and one using PDO.
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javascript check for not null
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It's because val is not null, but contains 'null' as a string.
Try to check with 'null'
if ('null' != val)
For an explanation of when and why this works, see the details below.
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Smooth GPS data
I'm working with GPS data, getting values every second and displaying current position on a map. The problem is that sometimes (specially when accuracy is low) the values vary a lot, making the current position to "jump" between distant points in the map.
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How to add color to Github's README.md file
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It's worth mentioning that you can add some colour in a README using a placeholder image service. For example if you wanted to provide a list of colours for reference:
-  in Vim
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You can certainly do all this with a single copy/paste (using block-mode selection), but I'm guessing that's not what you want.
If you want to do this with just Ex commands
:5,8del | let l=split(@") | 1,4s/$/\=remove(l,0)/
will transform
work it
make...
Writing unit tests in Python: How do I start? [closed]
I completed my first proper project in Python and now my task is to write tests for it.
7 Answers
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How to make a chain of function decorators?
...lt;b>" + fn(*args, **kwargs) + "</b>"
return wrapped
def makeitalic(fn):
@wraps(fn)
def wrapped(*args, **kwargs):
return "<i>" + fn(*args, **kwargs) + "</i>"
return wrapped
@makebold
@makeitalic
def hello():
return "hello world"
@makebold
@makeital...