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How to check type of variable in Java?
How can I check to make sure my variable is an int, array, double, etc...?
13 Answers
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Max length for client ip address [duplicate]
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I would avoid mixing IPv4 and IPv6 in the same filed of a database for "a while." IPv4 is still the default standard, and will continue to be used for years to come. In legacy applications I have worked with, when it became necessary to add IPv6 addresses to the datab...
How do I read an attribute on a class at runtime?
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How can i extend this approach this to get const Filed in static class?
– Amir
Nov 2 '15 at 19:18
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Using i and j as variables in Matlab
... - use a name that describes the purpose (row_n, elementNo, listItemIndex, etc.). So much easier for someone to understand what you are doing, to debug, etc. The extra time spent is more than worth the gain in long-term maintainability for anything more than a throw-away script - even with the Matl...
Convert a list of characters into a string
...gt;>> ['a', 'b', 'c'].join('')
Traceback (most recent call last):
File "<stdin>", line 1, in <module>
AttributeError: 'list' object has no attribute 'join'
Strange enough, in Python the join method is on the str class:
# this is the Python way
"".join(['a','b','c','d'])
Why...
Removing colors from output
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This one partially worked. However, if I open a file in excel, I'm still seeing this special character "?" at the end of each line.
– doudy_05
Dec 29 '19 at 21:08
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Using a custom typeface in Android
... @Amit: "But does that means I will have to create my own .ttf or .otf files for custom fonts ?" -- um, no. You can use existing TTF/OTF fonts, though they may not all work. The issue on this question is how to apply those fonts across an entire app, which still isn't possible, and that is what ...
Configuring so that pip install can work from github
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You need the whole python package, with a setup.py file in it.
A package named foo would be:
foo # the installable package
├── foo
│ ├── __init__.py
│ └── bar.py
└── setup.py
And install from github like:
$ pip install git+ssh://git@github...
Which HTML elements can receive focus?
...ent but not with disabled (IE actually gives you an error if you try), and file uploads have unusual behaviour for security reasons
HTMLIFrameElement (though focusing it doesn't do anything useful). Other embedding elements also, maybe, I haven't tested them all.
Any element with a tabindex
There a...
Hidden features of Ruby
...can reduce code nicely, especially when I am grabbing blocks of lines from files based on some criteria.
– the Tin Man
Dec 8 '11 at 20:01
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