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Get top 1 row of each group
... phone number (where each could have several numbers). This is where Apply excels. Less reads = less disk access = better performance. Given my experience is with poorly designed non-normalized databases.
– TamusJRoyce
Jun 5 '16 at 17:36
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How to read from a file or STDIN in Bash?
...ant to handle multiple arguments, you'll end up writing Jonathan Leffler's excellent answer—in fact yours would be better since you'd use IFS= with read and printf instead of echo. :).
– gniourf_gniourf
Mar 1 '15 at 0:17
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How can I search Git branches for a file or directory?
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Note that gitk supports the globbing as well. That is an excellent answer @webmat! If you want to see where it's been deleted / created /etc, you can use git log --all --stat -- **/my_file.png, that way you won't have to guess if you're checking it out from a commit that deleted it...
How do I use Maven through a proxy?
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Excellent, thanks. If you want to use those options just once for one single command, you can type : MAVEN_OPTS="-DsocksProxyHost=127.0.0.1 -DsocksProxyPort=1080" mvn clean install The next mvn commands in the same session wi...
Distinct() with lambda?
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Excellent! This is really easy to encapsulate in an extension method too, like DistinctBy (or even Distinct, since the signature will be unique).
– Tomas Aschan
Jul 27 '11 at 11:33
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Store print_r result into a variable as a string or text
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Excellent suggestion. var_dump() also shows a bit more information than either print_r() or var_export().
– FoggyDay
Dec 23 '19 at 20:46
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How to create an array from a CSV file using PHP and the fgetcsv function
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That's excellent, unless you have memory restrictions. The fgetcsv solution works with any hardware config.
– Sp4cecat
Sep 11 '13 at 5:34
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WPF OpenFileDialog with the MVVM pattern? [duplicate]
... dialogs like this and use that service via an interface in the ViewModel. Excellent, thank you. (p.s. I'll be testing with RhinoMocks, FYI, but I can figure that part out no problem.)
– Judah Gabriel Himango
Oct 26 '09 at 5:19
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How to define “type disjunction” (union types)?
...t;:< Double.
f(9.2)
^
Source: Comment #27 under this excellent blog post by Miles Sabin which provides another way of encoding union types in Scala.
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How to check if a String is numeric in Java
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As @CraigTP had mentioned in his excellent answer, I also have similar performance concerns on using Exceptions to test whether the string is numerical or not. So I end up splitting the string and use java.lang.Character.isDigit().
public static boolean isN...