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Checking if a list is empty with LINQ
What's the "best" (taking both speed and readability into account) way to determine if a list is empty? Even if the list is of type IEnumerable<T> and doesn't have a Count property.
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Replace a character at a specific index in a string?
...ate a string, consider StringBuilder or StringBuffer in case you require thread safety.
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Print in one line dynamically
...I had done there if I had to look at my code a year from now. (Just had to read a program I wrote in 2007 - I'm so glad I wrote it in Python.)
– Tim Pietzcker
Jul 14 '10 at 20:19
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Is there a builtin confirmation dialog in Windows Forms?
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MessageBoxButtons.YesNo should read MessageBoxButton.YesNo, and DialogResult changes to MessageBoxResult for .NET 4.6.
– Ian
Jun 26 at 20:21
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Update a record without first querying?
...t the line "IsModified = true", because the property ExampleProperty, is already null when you created the empty ExampleEntity object, you needs to say to EF that this column must be updated, and this is the purpose of this line.
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Generating random numbers in Objective-C
... range of rand(3) and
random(3).
The arc4random_stir() function reads data from /dev/urandom and uses it to permute the S-Boxes via
arc4random_addrandom().
There is no need to call arc4random_stir() before using arc4random(), since arc4random() automatically
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Standardize data columns in R
...a lot when a chain is very long since f(g(h(i(j(x))))) can be very hard to read.
– akhmed
Jun 24 '15 at 18:32
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Google Play on Android 4.0 emulator
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@JoshuaSon: No I couldn't. And after reading from various sources I came to conclusion that It might not be worth the effort, as the emulator keeps on crashing or this strategy doesn't work for Upcoming versions of Android. Correct me if I am wrong :)
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How to do something to each file in a directory with a batch script
...f needed after the for? According to the help docs, the /f flag opens and reads each file. Is that needed to echo or rename files?
– Snekse
Jun 25 '12 at 2:33
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Scala best way of turning a Collection into a Map-by-key?
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I've been reading about Scala for >2 weeks and working through examples and not once had I seen this ": _ *" notation! Thanks very much for your help
– oxbow_lakes
Mar 23 '09 at 21:15
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