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Why can I type alias functions and use them without casting?
...tanding that I had about how Go dealt with types, which can be resolved by reading the relevant part of the spec:
http://golang.org/ref/spec#Type_identity
The relevant distinction that I was unaware of was that of named and unnamed types.
Named types are types with a name, such as int, int64, flo...
How can I SELECT rows with MAX(Column value), DISTINCT by another column in SQL?
...pten GROUP BY home ) mostrecent;" Same query exactly, but arguably more readable
– Parker
Oct 22 '10 at 17:42
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How to detect if a variable is an array
...ut the solution then I recommend you test it to your hearts content and/or read the blog post. There are other potential solutions there if you're uncomfortable using conditional compilation.
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Execute unit tests serially (rather than in parallel)
...Theory], my tests are not isolated. This is strange, because everything I read suggests a Class is the smallest parallelizable unit.
– John Zabroski
May 1 '19 at 18:41
add a ...
Environment variables for java installation
...les\Java\jdk1.8.0_91"). That way when I use cygwin or something that can't read windows env variables, I still have a quick way of swapping versions. And it's much easier to remember the shorter path without the minor version.
– kghastie
Jul 15 '16 at 19:00
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Why are Docker container images so large?
...the end doesn't really reduce file system usage because the real data is already committed to lower layers. To get around this you must clean at each layer.
$ docker history bf5260c6651d
IMAGE CREATED CREATED BY SIZE
bf5260c6651d ...
Difference between “git checkout ” and “git checkout -- ”
... of a branch. Some examples for branch/file disambiguation:
git checkout README # would normally discard uncommitted changes
# to the _file_ "README"
git checkout master # would normally switch the working copy to
# the _branch_ "master"
gi...
How can I configure my makefile for debug and release builds?
... named src, then modify the line SRCS = file1.c file2.c file3.c file4.c to read SRCS = src/file1.c src/file2.c src/file3.c src/file4.c.
– zero2cx
Jan 5 '17 at 16:36
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How can I check if a URL exists via PHP?
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I would suggest reading only the first byte... if (@file_get_contents($url,false,NULL,0,1))
– Daniel Valland
Oct 1 '16 at 20:08
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What is this: [Ljava.lang.Object;?
... the type of the object is encoded in this string, but I don't know how to read it.
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