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Why is the default value of the string type null instead of an empty string?
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answered Jan 15 '13 at 12:17
HabibHabib
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How to create EditText with rounded corners? [closed]
...d:color="#FFFFFF" />
<corners
android:bottomRightRadius="15dp"
android:bottomLeftRadius="15dp"
android:topLeftRadius="15dp"
android:topRightRadius="15dp" />
</shape>
Then, just reference this drawable in your layout:
<?xml version="1.0" encoding...
Convert unix time to readable date in pandas dataframe
... date price
0 1349720105 12.08
1 1349806505 12.35
2 1349892905 12.15
3 1349979305 12.19
4 1350065705 12.15
In [25]: df['date'] = pd.to_datetime(df['date'],unit='s')
In [26]: df.head()
Out[26]:
date price
0 2012-10-08 18:15:05 12.08
1 2012-10-09 18:15:05 12.35
2 201...
Open link in new tab or window [duplicate]
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answered Mar 21 '13 at 15:36
NathanNathan
21.5k33 gold badges2121 silver badges3434 bronze badges
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Can code that is valid in both C and C++ produce different behavior when compiled in each language?
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edited Dec 3 '17 at 15:44
Donald Duck
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an...
Why are these numbers not equal?
...erences if there are any, isTRUE(all.equal(...)).
if(isTRUE(all.equal(i,0.15))) cat("i equals 0.15") else cat("i does not equal 0.15")
yields
i equals 0.15
Some more examples of using all.equal instead of == (the last example is supposed to show that this will correctly show differences).
0.1...
“Ago” date/time functions in Ruby/Rails
...tead of mins.
– cbron
Jan 13 '12 at 15:47
4
If you're outside of Rails, require 'active_support' ...
In C++, if throw is an expression, what is its type?
...nt, "The second or the third operand (but not both) is a throw-expression (15.1); the result is of the type of the other and is an rvalue." Therefore, the conditional operator doesn't care what type a throw-expression is, but will just use the other type.
In fact, 15.1, paragraph 1 says explicitly...
How to make phpstorm display line numbers by default?
...how line numbers
– ruelluna
Feb 23 '15 at 13:59
6
Ctrl + Shift + A on Windows lets you search all...