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How to force LINQ Sum() to return 0 while source collection is empty

Basically when I do the following query, if no leads were matched the following query throws an exception. In that case I'd prefer to have the sum equalize 0 rather than an exception being thrown. Would this be possible in the query itself - I mean rather than storing the query and checking query.A...
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Get the current git hash in a Python script

...4721") at the end. From within Python, you can do something like the following: import subprocess label = subprocess.check_output(["git", "describe"]).strip() share | improve this answer ...
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How to replace multiple white spaces with one white space

... change to an "all whitespace" requirement, then Split/Join does appear to win. As is so often the case, the devil is in the detail... share | improve this answer | follow ...
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php execute a background process

... stackoverflow.com/questions/5367261/… explains how to do the same under windows – shealtiel Aug 10 '11 at 19:30 13 ...
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Can Powershell Run Commands in Parallel?

... @SteveTownsend Thanks ! Actually viewing output is a not so good on screen. Comes with delay, so not useful for me. Instead I started a process on new terminal (shell), so now each process is running on different terminal which gives the view of progress much b...
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Eclipse shortcut “go to line + column”

... + L It you want more short-cuts, refer http://www.shortcutworld.com/en/win/Eclipse.html share | improve this answer | follow | ...
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Is a LINQ statement faster than a 'foreach' loop?

...i3-2328M CPU @ 2.20GHz, 2200 Mhz, 2 Core(s) with 8GB ram running Microsoft Windows 7 Ultimate. It looks like LINQ might be faster than for each loop. Here are the results I got: Exists = True Time = 174 Exists = True Time = 149 It would be interesting if some of you could copy & paste th...
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Python set to list

... Your code works with Python 3.2.1 on Win7 x64 a = set(["Blah", "Hello"]) a = list(a) type(a) <class 'list'> share | improve this answer | ...
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How to simulate a mouse click using JavaScript?

... MouseEvent() constructor. var evt = new MouseEvent("click", { view: window, bubbles: true, cancelable: true, clientX: 20, /* whatever properties you want to give it */ }); targetElement.dispatchEvent(evt); Demo: http://jsfiddle.net/DerekL/932wyok6/ This works on all modern ...
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How can I override Bootstrap CSS styles?

...pseudo-elements Note: If the element has inline styling that automatically wins (1000 points) Among two selector styles browser will always choose the one with more weight. Order of your stylesheets only matters when priorities are even - that's why it is not easy to override Bootstrap. Your opti...