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How do I add options to a DropDownList using jQuery?
...<option value=\"2\">2</option>")
-> Here u can use direct string
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Suppress Scientific Notation in Numpy When Creating Array From Nested List
...r 1D and 2D arrays you can use np.savetxt to print using a specific format string:
>>> import sys
>>> x = numpy.arange(20).reshape((4,5))
>>> numpy.savetxt(sys.stdout, x, '%5.2f')
0.00 1.00 2.00 3.00 4.00
5.00 6.00 7.00 8.00 9.00
10.00 11.00 12.00 13.00 14.00
15...
Generating an MD5 checksum of a file
...turn hash_md5.hexdigest()
Note: hash_md5.hexdigest() will return the hex string representation for the digest, if you just need the packed bytes use return hash_md5.digest(), so you don't have to convert back.
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How to center a (background) image within a div?
... If you want the entire div to be filled with the image and no extra space you should use background-size: cover; If you want the entire image to show without any part of the image being cut off or stretched you want to use background-size: contain;
– Zlerp
...
Can we define implicit conversions of enums in c#?
...e, determined from reflection
/// </summary>
private string _name;
/// <summary>
/// The DescriptionAttribute, if any, linked to the declaring field
/// </summary>
private DescriptionAttribute _descriptionAttribute;
/// <...
Save current directory in variable using Bash?
...
Your assignment has an extra $:
export PATH=$PATH:${PWD}:/foo/bar
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How to set the thumbnail image on HTML5 video?
...
That seems to be an extra image being shown there.
You can try using this
<img src="/images/image_of_video.png" alt="image" />
/* write your code for the video here */
Now using jQuery play the video and hide the image as
$('img').cl...
What is the memory consumption of an object in Java?
...uld I use a 32- or a 64-bit JVM?, 2012, JDK 1.7)
Boxed types, arrays, and strings
Boxed wrappers have overhead compared to primitive types (from JavaWorld):
Integer: The 16-byte result is a little worse than I expected because an int value can fit into just 4 extra bytes. Using an Integer c...
Best way to select random rows PostgreSQL
... @Awesome-o: The goal is to retrieve 1000 rows, I start with an extra 10 % to compensate for a few gaps or (unlikely but possible) duplicate random numbers ... the explanation is in my answer.
– Erwin Brandstetter
Feb 24 '14 at 12:53
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Finding Key associated with max Value in a Java Map
...s with maximum value
public class NewClass4 {
public static void main(String[] args)
{
HashMap<Integer,Integer>map=new HashMap<Integer, Integer>();
map.put(1, 50);
map.put(2, 60);
map.put(3, 30);
map.put(4, 60);
map.put(5, 60);
...