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How to convert a String to its equivalent LINQ Expression Tree?
...elp here? In particular, I'm thinking as a Where clause. If necessary, put it inside a list/array just to call .Where(string) on it! i.e.
var people = new List<Person> { person };
int match = people.Where(filter).Any();
If not, writing a parser (using Expression under the hood) isn't hugely...
Calling dynamic function with dynamic number of parameters [duplicate]
I’m looking for a trick about this. I know how to call a dynamic, arbitrary function in JavaScript, passing specific parameters, something like this:
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How do I view the SQL generated by the Entity Framework?
How do I view the SQL generated by entity framework ?
22 Answers
22
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urllib2.HTTPError: HTTP Error 403: Forbidden
...of historic stock data using python. The URL I am trying to open responds with a CSV file, but I am unable to open using urllib2. I have tried changing user agent as specified in few questions earlier, I even tried to accept response cookies, with no luck. Can you please help.
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Paste multiple columns together
...paste together
cols <- c( 'b' , 'c' , 'd' )
# create a new column `x` with the three columns collapsed together
data$x <- apply( data[ , cols ] , 1 , paste , collapse = "-" )
# remove the unnecessary columns
data <- data[ , !( names( data ) %in% cols ) ]
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How to crop an image in OpenCV using Python
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It's very simple. Use numpy slicing.
import cv2
img = cv2.imread("lenna.png")
crop_img = img[y:y+h, x:x+w]
cv2.imshow("cropped", crop_img)
cv2.waitKey(0)
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SQL Server - copy stored procedures from one db to another
...Kaye What if he has 30-40 stored procedures? Wouldn't right clicking be a bit slow?
– rvphx
May 22 '12 at 13:59
@Oak O...
Regex to validate password strength
My password strength criteria is as below :
11 Answers
11
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Building a minimal plugin architecture in Python
I have an application, written in Python, which is used by a fairly technical audience (scientists).
18 Answers
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WKWebView not loading local files under iOS 8
For previous iOS 8 betas, load a local web app (in Bundle) and it works fine for both UIWebView and WKWebView , and I even ported a web game using the new WKWebView API.
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