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Programmatically select text in a contenteditable HTML element?
...able or not) in Chrome, here's how. This will also work in Firefox, Safari 3+, Opera 9+ (possibly earlier versions too) and IE 9. You can also create selections down to the character level. The APIs you need are DOM Range (current spec is DOM Level 2, see also MDN) and Selection, which is being spec...
Tools for making latex tables in R [closed]
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answered Jan 7 '13 at 4:43
community wiki
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Pandas DataFrame Groupby two columns and get counts
...).reset_index().groupby('col2')[[0]].max()
Out[56]:
0
col2
A 3
B 2
C 1
D 3
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Same-named attributes in attrs.xml for custom view
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Flow
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answered Dec 16 '10 at 20:17
Venator85Venator85...
Replace all 0 values to NA
...me space for it. E.g.,
data.frame(x = c(1, NA, 2))
# x
# 1 1
# 2 NA
# 3 2
Also, the data frame structure requires all the columns to have the same number of elements so that there can be no "holes" (i.e., NULL values).
Now you could replace zeroes by NULL in a data frame in the sense of com...
Clean code to printf size_t in C++ (or: Nearest equivalent of C99's %z in C++)
...d %zd.
You could create a macro:
#if defined(_MSC_VER) || defined(__MINGW32__) //__MINGW32__ should goes before __GNUC__
#define JL_SIZE_T_SPECIFIER "%Iu"
#define JL_SSIZE_T_SPECIFIER "%Id"
#define JL_PTRDIFF_T_SPECIFIER "%Id"
#elif defined(__GNUC__)
#define JL_SIZE_T_SPECIFIER "%z...
JavaScript by reference vs. by value [duplicate]
...The object or primitive referenced by the original a is unchanged.
a = 3;
// Calling b.push changes its properties - it adds
// a new property b[b.length] with the value "foo".
// So the object referenced by b has been changed.
b.push("foo");
// The "first" property of argume...
Difference between dict.clear() and assigning {} in Python
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answered Dec 15 '08 at 22:30
Greg HewgillGreg Hewgill
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Static/Dynamic vs Strong/Weak
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edited Nov 13 '17 at 1:28
Shubhamoy
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Get a list of checked checkboxes in a div using jQuery
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439
Combination of two previous answers:
var selected = [];
$('#checkboxes input:checked').each(fu...