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Easiest way to upgrade eclipse 3.7 to 4.2 (Juno)
... Eclipse 3.7 plug-ins, or you can add them manually. It's probably a good idea to see if the plug-ins you use have been upgraded for Eclipse 4.2.
Create a new Eclipse 4.2 workspace, and copy your project code from your Eclipse 3.7 workspace. If you discover a problem later, you can fall back to E...
Compute a confidence interval from sample data
I have sample data which I would like to compute a confidence interval for, assuming a normal distribution.
4 Answers
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jQuery/Javascript function to clear all the fields of a form [duplicate]
...reset() method to reset the entire form to its default state.
Example provided by Ryan:
$('#myForm')[0].reset();
Note: This may not reset certain fields, such as type="hidden".
UPDATE
As noted by IlyaDoroshin the same thing can be accomplished using jQuery's trigger():
$('#myForm').trigger("...
raw vs. html_safe vs. h to unescape html
...
Considering Rails 3:
html_safe actually "sets the string" as HTML Safe (it's a little more complicated than that, but it's basically it). This way, you can return HTML Safe strings from helpers or models at will.
h can only be ...
How to resize an image with OpenCV2.0 and Python2.6
...0,0), fx=0.5, fy=0.5)
and this will resize the image to have 100 cols (width) and 50 rows (height):
resized_image = cv2.resize(image, (100, 50))
Another option is to use scipy module, by using:
small = scipy.misc.imresize(image, 0.5)
There are obviously more options you can read in the doc...
What is the difference between NaN and None?
...
Is <NA> also an np.nan?
– Gathide
May 6 at 5:06
add a comment
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How to write header row with csv.DictWriter?
... / 3.2 there is a new writeheader() method. Also, John Machin's answer provides a simpler method of writing the header row.
Simple example of using the writeheader() method now available in 2.7 / 3.2:
from collections import OrderedDict
ordered_fieldnames = OrderedDict([('field1',None),('field2',No...
How to edit a node module installed via npm?
I'm using the node_swiz module, which in turn uses the validator module.
5 Answers
5
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Turn a simple socket into an SSL socket
...;
#include <openssl/err.h>
You will need to initialize OpenSSL:
void InitializeSSL()
{
SSL_load_error_strings();
SSL_library_init();
OpenSSL_add_all_algorithms();
}
void DestroySSL()
{
ERR_free_strings();
EVP_cleanup();
}
void ShutdownSSL()
{
SSL_shutdown(cSSL);
...
Object.getOwnPropertyNames vs Object.keys
...nPropertyNames(a); // ["one", "two"]
If you define a property without providing property attributes descriptor (meaning you don't use Object.defineProperties), for example:
a.test = 21;
then such property becomes an enumerable automatically and both methods produce the same array.
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