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In CSS what is the difference between “.” and “#” when declaring a set of styles?
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answered Mar 2 '09 at 12:38
Paul DixonPaul Dixon
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Is there a way to ignore header lines in a UNIX sort?
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12 Answers
12
Active
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Inserting multiple rows in mysql
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1206
INSERT statements that use VALUES syntax can insert multiple rows. To do this, include mult...
ViewPager with previous and next page boundaries
...ant edges of previous and next pages to be show like below and implement a 2 finger swipe to switch between pages.
7 Answer...
What is the id( ) function used for?
I read the Python 2 docs and noticed the id() function:
13 Answers
13
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Using a bitmask in C#
... enum:
[Flags]
public enum Names
{
None = 0,
Susan = 1,
Bob = 2,
Karen = 4
}
Then you'd check for a particular name as follows:
Names names = Names.Susan | Names.Bob;
// evaluates to true
bool susanIsIncluded = (names & Names.Susan) != Names.None;
// evaluates to false
bool...
Is there replacement for cat on Windows
...dows type command works similarly to UNIX cat.
Example 1:
type file1 file2 > file3
is equivalent of:
cat file1 file2 > file3
Example 2:
type *.vcf > all_in_one.vcf
This command will merge all the vcards into one.
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The SQL OVER() clause - when and why is it useful?
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answered Jun 2 '11 at 19:54
Andriy MAndriy M
69.3k1616 gold badges8484 silver badges139139 bronze badges
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Why should I prefer to use member initialization lists?
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281
For POD class members, it makes no difference, it's just a matter of style. For class members...
Convert Python dict into a dataframe
...tems()) # or list(d.items()) in python 3
Out[11]:
0 1
0 2012-07-02 392
1 2012-07-06 392
2 2012-06-29 391
3 2012-06-28 391
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In [12]: pd.DataFrame(d.items(), columns=['Date', 'DateValue'])
Out[12]:
Date DateValue
0 2012-07-02 392
1 2012-07-06 ...