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Are negative array indexes allowed in C?
I was just reading some code and found that the person was using arr[-2] to access the 2nd element before the arr , like so:
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Accessing elements of Python dictionary by index
...>> mydict["Apple"]
{'American': '16', 'Mexican': 10, 'Chinese': 5}
And getting how many of them are American (16), do like this:
>>> mydict["Apple"]["American"]
'16'
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impro...
How may I reference the script tag that loaded the currently-executing script?
...t>
var me = document.currentScript;
</script>
Benefits
Simple and explicit. Reliable.
Don't need to modify the script tag
Works with asynchronous scripts (defer & async)
Works with scripts inserted dynamically
Problems
Will not work in older browsers and IE.
Does not work with m...
Why does “git difftool” not open the tool directly?
...rompt
Prompt before each invocation of the diff tool.
The following command turns off the prompt globally (for all repos):
git config --global difftool.prompt false
Which is like writing in ~/.gitconfig:
(or in %HOMEDRIVE%%HOMEPATH%\.gitconfig)
[difftool]
prompt = false
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writing some characters like '
...rt special character follow Moss guide: How can I write character & in android strings.xml by used Unicode definition:
Example:
<string name="item_unknown">\u003c Item Unknown \u003e</string>
which present in string :
< Item Unknown >
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Copy tables from one database to another in SQL Server
I have a database called foo and a database called bar. I have a table in foo called tblFoobar that I want to move (data and all) to database bar from database foo. What is the SQL statement to do this?
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Python memory leaks [closed]
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I tried out most options mentioned previously but found this small and intuitive package to be the best: pympler
It's quite straight forward to trace objects that were not garbage-collected, check this small example:
install package via pip install pympler
from pympler.tracker import Summ...
Monad in plain English? (For the OOP programmer with no FP background)
In terms that an OOP programmer would understand (without any functional programming background), what is a monad?
19 Answe...
Semantic-ui vs Bootstrap [closed]
Which is the best one to use and if possible, please provide the difference(s) and advantages of these two.
3 Answers
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How do I use floating-point division in bash?
...$IMG_WIDTH/$IMG2_WIDTH") without $(( )) (double parentheses) ; which is expanded by the bash before executing command
– Nahuel Fouilleul
Oct 4 '12 at 7:32
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