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linq query to return distinct field values from a list of objects
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Now I can see there is an overload of Distinct in LINQ which take an IEqualityComparer as parameter and return a list of distinct objects depending upon the implementation of methods in IEqualityComparer
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Could not open a connection to your authentication agent
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@xtian I'm not sure that I understand the issue. I don't know the exact details, but I'm guessing that the private key is never sent over the network. I think ssh-add merely decrypts an encrypted private key on the host machine, so that it can be used locally...it's never sent to an...
Convert timestamp to readable date/time PHP
... \DateTime();
// If you must have use time zones
// $date = new \DateTime('now', new \DateTimeZone('Europe/Helsinki'));
$date->setTimestamp($timestamp);
echo $date->format($datetimeFormat);
result: 2016-06-07 14:29:00
Other time zones:
Africa
America
Antarctica
Arctic
Asia
Atlantic
A...
Convert data.frame column to a vector?
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This is particularly good to know because the df$x syntax returns a vector. I used this syntax for a long time, but when I had to start using df['name'] or df[n] to retrieve columns, I hit problems when I tried to send them to functions that expected vect...
An error occurred while validating. HRESULT = '8000000A'
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This is a known issue in Visual Studio 2010 (a race condition). See this connect item.
We've run into this as well, and had a very unsatisfying support call on this issue with Microsoft. Long story short: it's a known issue, it won't b...
Convert two lists into a dictionary
...onstructor with zip
new_dict = dict(zip(keys, values))
In Python 3, zip now returns a lazy iterator, and this is now the most performant approach.
dict(zip(keys, values)) does require the one-time global lookup each for dict and zip, but it doesn't form any unnecessary intermediate data-structur...
SVN remains in conflict?
...ich will take the current state of your local copy as "resolved solution". Now hit "OK" and that's it.
The conflicting symbol should have disappeared and you should be able to commit again.
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Microsoft.Office.Core Reference Missing
...ed Jul 24 '15 at 15:40
Artur TarnowskiArtur Tarnowski
6111 silver badge33 bronze badges
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How to become an OpenCart guru? [closed]
...ramework relies on the route=aaa/bbb/ccc in the query string parameter to know what to load, and is the underpinning feature to finding the files you need to edit for each page. Most route's actually only use the aaa/bbb which should be seen as two parts, however some contain three parts aaa/bbb/ccc...
How to compare variables to undefined, if I don’t know whether they exist? [duplicate]
...iable and if it’s undefined , you can check variable == undefined ; I know that, but how can you compare a value that you don’t know yet if it’s in memory?
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