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Does the order of LINQ functions matter?
... or not. Consider:
var query = myCollection.Where(item => item.Code != 0)
.OrderBy(item => 10 / item.Code);
var result = query.Last();
That's fine - we know we'll never be dividing by 0. But if we perform the ordering before the filtering, the query will throw an ex...
Connection pooling options with JDBC: DBCP vs C3P0
...our test application and struggled to reach levels of performance which C3P0 was more than capable of handling without any exceptions.
C3P0 also robustly handled DB disconnects and transparent reconnects on resume whereas DBCP never recovered connections if the link was taken out from beneath it. ...
Port 80 is being used by SYSTEM (PID 4), what is that?
I am trying to use port 80 for my application server, but when I perform netstat -aon I get:
32 Answers
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What's the meaning of “=>” (an arrow formed from equals & greater than) in JavaScript?
...ed in all browsers, but they are partially or fully supported in Node v. 4.0+ and in most modern browsers in use as of 2018. (I’ve included a partial list of supporting browsers below).
You can read more in the Mozilla documentation on arrow functions.
From the Mozilla documentation:
An arrow fun...
How to calculate the CPU usage of a process by PID in Linux from C?
...o read the cpu line from /proc/stat, which looks like:
cpu 192369 7119 480152 122044337 14142 9937 26747 0 0
This tells you the cumulative CPU time that's been used in various categories, in units of jiffies. You need to take the sum of the values on this line to get a time_total measure.
Read...
Callback when CSS3 transition finishes
I'd like to fade out an element (transitioning its opacity to 0) and then when finished remove the element from the DOM.
5 ...
cv2.imshow command doesn't work properly in opencv-python
...how() only works with waitKey():
import cv2
img = cv2.imread('C:/Python27/03323_HD.jpg')
cv2.imshow('ImageWindow', img)
cv2.waitKey()
(The whole message-loop necessary for updating the window is hidden in there.)
share
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How to change font of UIButton with Swift
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Use titleLabel instead. The font property is deprecated in iOS 3.0. It also does not work in Objective-C. titleLabel is label used for showing title on UIButton.
myButton.titleLabel?.font = UIFont(name: YourfontName, size: 20)
However, while setting title text you should only use setTi...
How to set ViewBag properties for all Views without using a base class for Controllers?
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edited May 20 '16 at 0:57
Rafael Antonio González Romera
1333 bronze badges
answered Mar ...
Add a UIView above all, even the navigation bar
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answered Feb 18 '14 at 10:15
Rom.Rom.
2,45222 gold badges1414 silver badges1717 bronze badges
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