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Best way to alphanumeric check in JavaScript
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/^[a-z0-9]+$/i.test( TCode )
– Alex V
Oct 14 '13 at 18:12
3
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Split string on the first white space occurrence
...mance wise it's pretty bad to the most upvoted "substring" solution. just tested it and it's about 10x slower.
– pootzko
Sep 8 '16 at 12:54
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How to set Sqlite3 to be case insensitive when string comparing?
...late nocase when you create an index as well. For example:
create table Test
(
Text_Value text collate nocase
);
insert into Test values ('A');
insert into Test values ('b');
insert into Test values ('C');
create index Test_Text_Value_Index
on Test (Text_Value collate nocase);
Expression...
Iterate over a list of files with spaces
...to perform multiple steps the loop version is easier.
EDIT: Here's a nice test script so you can get an idea of the difference between different attempts at solving this problem
#!/usr/bin/env bash
dir=/tmp/getlist.test/
mkdir -p "$dir"
cd "$dir"
touch 'file not starting foo' foo foobar ba...
java.lang.NoClassDefFoundError: org/hamcrest/SelfDescribing
While running junit test in eclipse I am getting this Exception :
17 Answers
17
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What's the fastest way to merge/join data.frames in R?
... the precise computation can make a huge difference on which package is fastest. For example, we do a merge and an aggregate below. We see that the results are nearly reversed for the two. In the first example from fastest to slowest we get: data.table, plyr, merge and sqldf whereas in the second...
Argparse: Required argument 'y' if 'x' is present
...n and proxy ports')
That saves your users typing. It is just as easy to test if args.prox is not None: as if args.prox:.
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How to change app name per Gradle build type
...e non-release part, I see that a bit differently as one might want to also test for localization issues while allowing the "release" and "test" builds to coexist on the same device. In such a case both builds might end up with the same launcher label, probably causing some confusion. That is what I ...
Determine if running on a rooted device
...uild.TAGS;
return buildTags != null && buildTags.contains("test-keys");
}
private static boolean checkRootMethod2() {
String[] paths = { "/system/app/Superuser.apk", "/sbin/su", "/system/bin/su", "/system/xbin/su", "/data/local/xbin/su", "/data/local/bin/su", "/syste...
What is “:-!!” in C code?
...answer here has a good response:
These macros implement a compile-time test, while assert() is a run-time test.
Exactly right. You don't want to detect problems in your kernel at runtime that could have been caught earlier! It's a critical piece of the operating system. To whatever extent prob...