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return query based on date
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440
You probably want to make a range query, for example, all items created after a given date:
db....
The cast to value type 'Int32' failed because the materialized value is null
...where there can be unexpected nulls in different places. ...DefaultIfEmpty(0).Sum(0) can help in this (quite simple) case, where there might be no elements and sql's SUM returns null whereas c# expect 0.
A more general approach is to use ?? which will be translated to COALESCE whenever there is a r...
How do you print in a Go test using the “testing” package?
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edited Dec 27 '19 at 0:44
Pang
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answered...
How to get a index value from foreach loop in jstl
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edited Jun 4 '14 at 20:55
Paul Gray
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answered Sep 1...
Get local href value from anchor (a) tag
... points:
document.getElementById("aaa").href; // http://example.com/sec/IF00.html
while the one below gets the value of the href attribute:
document.getElementById("aaa").getAttribute("href"); // sec/IF00.html
share
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Plot a bar using matplotlib using a dictionary
...ort matplotlib.pyplot as plt
D = {u'Label1':26, u'Label2': 17, u'Label3':30}
plt.bar(range(len(D)), list(D.values()), align='center')
plt.xticks(range(len(D)), list(D.keys()))
# # for python 2.x:
# plt.bar(range(len(D)), D.values(), align='center') # python 2.x
# plt.xticks(range(len(D)), D.keys(...
Remove characters from NSString?
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280
You could use:
NSString *stringWithoutSpaces = [myString
stringByReplacingOccurrencesOfStri...
How to get subarray from array?
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edited Nov 16 '19 at 2:08
Artyom Ionash
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answered Sep 24 '11 at ...
How do you specify a different port number in SQL Management Studio?
I am trying to connect to a Microsoft SQL 2005 server which is not on port 1433. How do I indicate a different port number when connecting to the server using SQL Management Studio?
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Installing Python packages from local file system folder to virtualenv with pip
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