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Select count(*) from multiple tables
How can I select count(*) from two different tables (call them tab1 and tab2 ) having as result:
18 Answers
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using awk with column value conditions
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132
If you're looking for a particular string, put quotes around it:
awk '$1 == "findtext" {print...
Using a dictionary to count the items in a list [duplicate]
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in 2.7 and 3.1 there is special Counter dict for this purpose.
>>> from collections import Counter
>>> Counter(['apple','red','apple','red','red','pear'])
Counter({'red': 3, 'apple': 2, 'pear': 1})
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Deleting lines from one file which are in another file
I have a file f1 :
9 Answers
9
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How to add extra namespaces to Razor pages instead of @using declaration?
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163
Update: please take a look at my updated answer that applies to MVC 3 RC: Razor HtmlHelper Ext...
Image Greyscale with CSS & re-color on mouse-over?
... 0.3333 0.3333 0 0 0.3333 0.3333 0.3333 0 0 0.3333 0.3333 0.3333 0 0 0 0 0 1 0\'/></filter></svg>#grayscale"); /* Firefox 3.5+ */
filter: gray; /* IE6-9 */
-webkit-filter: grayscale(100%); /* Chrome 19+ & Safari 6+ */
}
img.grayscale:hover {
filter: none;
-webkit-filter: ...
decimal vs double! - Which one should I use and when? [duplicate]
...al type?
Which type is suitable for money computations? (ie. greater than $100 million)
7 Answers
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urllib2.HTTPError: HTTP Error 403: Forbidden
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171
By adding a few more headers I was able to get the data:
import urllib2,cookielib
site= "htt...
Creating JS object with Object.create(null)?
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edited Feb 25 '19 at 4:31
Levi Roberts
1,12333 gold badges1818 silver badges4141 bronze badges
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Python OpenCV2 (cv2) wrapper to get image size?
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213
cv2 uses numpy for manipulating images, so the proper and best way to get the size of an image ...