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Passing references to pointers in C++
...ome, and discovered thing are a bit subtler than I thought. Here's what I now think is an accurate answer.
&s is not an lvalue so you cannot create a reference to it unless the type of the reference is reference to const. So for example, you cannot do
string * &r = &s;
but you can ...
decorators in the python standard lib (@deprecated specifically)
...eOldClass (use another class).
SomeOldClass()
EDIT3: This decorator is now part of the Deprecated library:
Python package index (PyPi)
GitHub website
Read The Docs
Twitter
New stable release v1.2.10 ????
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iOS 7 - How to display a date picker in place in a table view?
... "opening" but using the begin and endupdates solved that. Nice and smooth now. Thanks datinc!
– nh32rg
Feb 12 '15 at 1:14
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gulp.run is deprecated. How do I compose tasks?
Here is a composed task I don't know how to replace it with task dependencies.
10 Answers
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How to use onSavedInstanceState example please
I'm confused when it comes down to saving a state. So I know that onSaveInstanceState(Bundle) is called when the activity is about to be destroyed. But how do you store your information in it and bring it back to its original state in onCreate(Bundle savedInstanceState) ? I don't understand how t...
CSS “and” and “or”
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Who uses IE now :)
– Tarun
Jan 5 '13 at 14:11
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uncaught syntaxerror unexpected token U JSON
...us": "open"}
var jsonBody = JSON.parse(body.open_order); //HERE THE ERROR NOW APPEARS BECAUSE THE STRING IS NOT A JSON OBJECT YET!!!!
//TODO SO
var jsonBody=JSON.parse(body)//PASS THE BODY FIRST THEN LATER USE THE jsonBody to get the open_order
var OpenOrder=jsonBody.open_order;
Great answers a...
How do I use Java to read from a file that is actively being written to?
... programmer. I'm still looking for a better way, but this works for me for now.
Oh, and I'll caveat this with: I'm using 1.4.2. Yes I know I'm in the stone ages still.
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Find which version of package is installed with pip
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Pip 1.3 now also has a list command:
$ pip list
argparse (1.2.1)
pip (1.5.1)
setuptools (2.1)
wsgiref (0.1.2)
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What is the best method of handling currency/money?
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If you are using Postgres (and since we're in 2017 now) you might want to give their :money column type a try.
add_column :products, :price, :money, default: 0
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