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What's the simplest way to test whether a number is a power of 2 in C++?
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answered Sep 20 '08 at 14:45
AnonymousAnonymous
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How do I break out of a loop in Perl?
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answered Nov 19 '08 at 20:23
Zain RizviZain Rizvi
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Oracle “Partition By” Keyword
... 3 <- three because there are three "dept_no = 10" records
4 20 2
5 20 2 <- two because there are two "dept_no = 20" records
If there was another column (e.g., state) then you could count how many departments in that State.
It is like getting the results of a GR...
Drop rows with all zeros in pandas data frame
...ll method.
– paulochf
Apr 25 '16 at 20:02
1
All of these answers explain how can we drop rows wit...
Border length smaller than div width?
...
You can use pseudoelements. E.g.
div {
width : 200px;
height : 50px;
position: relative;
z-index : 1;
background: #eee;
}
div:before {
content : "";
position: absolute;
left : 0;
bottom : 0;
height : 1px;
width : 50%; /* or 10...
CSS 100% height with padding/margin
... height:auto;
bottom:0;
top:0;
left:0;
right:0;
margin-top:20px;
margin-bottom:20px;
margin-right:80px;
margin-left:80px;
background-color: green;
}
<div class="stretchedToMargin">
Hello, world
</div>
Fiddle by Nooshu's comment
...
httpd: Could not reliably determine the server's fully qualified domain name, using 127.0.0.1 for Se
...ning on OSX 10.10
– AKFourSeven
Jan 20 '15 at 18:43
1
I found that: 127.0.0.1 myserver myserver.m...
MySQL: how to get the difference between two timestamps in seconds
... and the TIME_TO_SEC() functions as follows:
SELECT TIME_TO_SEC(TIMEDIFF('2010-08-20 12:01:00', '2010-08-20 12:00:00')) diff;
+------+
| diff |
+------+
| 60 |
+------+
1 row in set (0.00 sec)
You could also use the UNIX_TIMESTAMP() function as @Amber suggested in an other answer:
SELECT UNIX_...
How to shift a column in Pandas DataFrame
... 1 6
2 2 7
3 3 8
4 4 9
In [19]: a.x2 = a.x2.shift(1)
In [20]: a
Out[20]:
x1 x2
0 0 NaN
1 1 5
2 2 6
3 3 7
4 4 8
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Why should we NOT use sys.setdefaultencoding(“utf-8”) in a py script?
...bicking.org/illusive-setdefaultencoding.html
http://nedbatchelder.com/blog/200401/printing_unicode_from_python.html
http://www.diveintopython3.net/strings.html#one-ring-to-rule-them-all
http://boodebr.org/main/python/all-about-python-and-unicode
http://blog.notdot.net/2010/07/Getting-unicode-right-i...