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Update Row if it Exists Else Insert Logic with Entity Framework
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Check this: stackoverflow.com/questions/3653009/… object context should live as short as possible but in case of winforms or wpf this can mean that context is living as long as presenter. The linked question contains link to msdn article about using...
Python : List of dict, if exists increment a dict value, if not append a new dict
... urls_d[url] += 1
This code for updating a dictionary of counts is a common "pattern" in Python. It is so common that there is a special data structure, defaultdict, created just to make this even easier:
from collections import defaultdict # available in Python 2.5 and newer
urls_d = defa...
is it possible to `git status` only modified files?
...nstaged AND staged files, this is the best answer I've seen: stackoverflow.com/a/39994894/452587
– thdoan
Jan 18 '19 at 21:15
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How do I decompile a .NET EXE into readable C# source code?
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How do I auto size a UIScrollView to fit its content
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The best method I've ever come across to update the content size of a UIScrollView based on its contained subviews:
Objective-C
CGRect contentRect = CGRectZero;
for (UIView *view in self.scrollView.subviews) {
contentRect = CGRectUnion(cont...
Setting the default Java character encoding
...roperty, but it's normally done like this:
java -Dfile.encoding=UTF-8 … com.x.Main
Charset.defaultCharset() will reflect changes to the file.encoding property, but most of the code in the core Java libraries that need to determine the default character encoding do not use this mechanism.
When ...
How do I remove a file from the FileList
...hasis mine]
Reading a bit of the HTML 5 Working Draft, I came across the Common input element APIs. It appears you can delete the entire file list by setting the value property of the input object to an empty string, like:
document.getElementById('multifile').value = "";
BTW, the article Using ...
Node.js Web Application examples/tutorials [closed]
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I would suggest you check out the various tutorials that are coming out lately. My current fav is:
http://nodetuts.com/
Hope this helps.
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Can an angular directive pass arguments to functions in expressions specified in the directive's att
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Find the min/max element of an Array in JavaScript
...s can cause collisions with other libraries (some see), so you may be more comfortable with just apply'ing Math.xxx() to your array directly:
var min = Math.min.apply(null, arr),
max = Math.max.apply(null, arr);
Alternately, assuming your browser supports ECMAScript 6, you can use the sprea...