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How to do joins in LINQ on multiple fields in single join
...t to do.
EDIT: Responding to the edit in the question: yes, to do a "date range" join, you need to use a where clause instead. They're semantically equivalent really, so it's just a matter of the optimisations available. Equijoins provide simple optimisation (in LINQ to Objects, which includes LINQ...
Parse an HTML string with JS
... on the div.innerHTML solution nor DOMParser.prototype.parseFromString nor range.createContextualFragment solution. The td tag goes missing and only the text remains.
Only jQuery handles that case well.
So the future solution (MS Edge 13+) is to use template tag:
function parseHTML(html) {
va...
Proper use of errors
...rror in the JavaScript engine is thrown. E.g.
"too much recursion".
RangeError --- Creates an instance representing an error that occurs when a numeric variable or parameter is outside of its valid
range.
ReferenceError --- Creates an instance representing an error that occurs when de-...
How do I download a tarball from GitHub using cURL?
...
Why lately there are certificates problems on raw.github.com? I had problems to install homebrew and rvm on a new machine. I used to copy and paste from the homepage and was working. Now I get the certificate problem: ruby -e "$(curl -fsSL raw.github.com/mxcl/homebrew/...
How to install trusted CA certificate on Android device?
...need your certificate for HTTPS connections you can add the .bks file as a raw resource to your application and extend DefaultHttpConnection so your certificates are used for HTTPS connections.
public class MyHttpClient extends DefaultHttpClient {
private Resources _resources;
public MyHt...
Web-scraping JavaScript page with Python
...cript, DOM.
Therefore we need to render the javascript content before we crawl the page.
As selenium is already mentioned many times in this thread (and how slow it gets sometimes was mentioned also), I will list two other possible solutions.
Solution 1: This is a very nice tutorial on how to u...
Removing duplicates from a list of lists
...le):
return map(list, set(map(tuple, k)))
def dosort(k, sorted=sorted, xrange=xrange, len=len):
ks = sorted(k)
return [ks[i] for i in xrange(len(ks)) if i == 0 or ks[i] != ks[i-1]]
def dogroupby(k, sorted=sorted, groupby=itertools.groupby, list=list):
ks = sorted(k)
return [i for i, _ in...
财务计算器拓展：复利计算、平均值、中位数、众数、方差计算 - App Invento...
...te Variance: Calculate the variance of a list of integer numbers.Calculate Range: Find the range of a list of integer numbers.Calculate Sum: Compute the sum of a list of integer numbers.Calculate Weighted Median: Calculate the weighted median of a list of numbers and their corresponding weights.Simp...
How to plot two histograms together in R?
...SE)
histCucumber <- hist(cucumberLengths,plot = FALSE)
## calculate the range of the graph
xlim <- range(histCucumber$breaks,histCarrot$breaks)
ylim <- range(0,histCucumber$density,
histCarrot$density)
## plot the first graph
plot(histCarrot,xlim = xlim, ylim = ylim,
col ...
How to get Vim to highlight non-ascii characters?
...
Using range in a [] character class in your search, you ought to be able to exclude the ASCII hexadecimal character range, therefore highlighting (assuming you have hlsearch enabled) all other characters lying outside the ASCII ran...