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Simple regular expression for a decimal with a precision of 2
...t could be wrong, but you don't actually know if 1.7 is 1.70 or any number from 1.70 to 1.74.
– paxdiablo
Nov 21 '08 at 9:17
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Occurrences of substring in a string
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How about using StringUtils.countMatches from Apache Commons Lang?
String str = "helloslkhellodjladfjhello";
String findStr = "hello";
System.out.println(StringUtils.countMatches(str, findStr));
That outputs:
3
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How do I interpolate strings?
I want to do the following in C# (coming from a Python background):
15 Answers
15
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Objective-C parse hex string to integer
...'t observe the difference unless you're benchmarking scanning hex integers from millions of strings :-)
– Jacob
Sep 2 '16 at 23:06
1
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Extension methods must be defined in a non-generic static class
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How is this different from the answers given years before?
– Maarten Bodewes
May 16 '19 at 15:19
add a comment
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What is the C# Using block and why should I use it? [duplicate]
What is the purpose of the Using block in C#? How is it different from a local variable?
9 Answers
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Disabled input text color
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UPDATED 2019:
Combining ideas from this page into a "set and forget" solution.
input:disabled, textarea:disabled, input:disabled::placeholder, textarea:disabled::placeholder {
-webkit-text-fill-color: currentcolor; /* 1. sets text fill to current `colo...
How to unit test abstract classes: extend with stubs?
...se them just for testing. They usually are very very very minimal (inherit from the abstract class) and not more.Then, in your Unit Test you can call the abstract method you want to test.
You should test abstract class that contain some logic like all other classes you have.
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Ruby on Rails: Delete multiple hash keys
...uces potential security issues. A good rule of thumb for handling any data from visitors is to use a whitelist approach. In this case, using Hash#slice instead.
params.slice!(:param_to_remove_1, :param_to_remove_2)
redirect_to my_path(params)
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JSLint says “missing radix parameter”
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From the sounds of it, the default IS 10. If it doesn't begin with 0x or 0, it defaults to a radix of 10. But it is best practice to specify a radix even if it is the default value, sort of like specifying the definition of...