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Pure JavaScript: a function like jQuery's isNumeric() [duplicate]
...rseInt can result in unwanted false positives like "123abc", "2e1", "0x2", etc.. (even jQuery.isNumeric will parse true). I would use something like this function isNumeric(str) { return /^\d*\.{0,1}\d*$/.test(str); }
– ebob
May 1 '17 at 19:19
...
CSS margin terror; Margin adds space outside parent element [duplicate]
...n the other answers didn't work for me. Transparent borders, inline-block, etc., all caused other problems. Instead, I added the following css to my ancestor element:
parent::after{
content: "";
display: inline-block;
clear: both;
}
Depending on your situation, this may cause its own proble...
How to append data to div using JavaScript?
...
are there any considerations, constraints, etc. when using this method?
– som
Jan 30 '16 at 23:09
1
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Function Pointers in Java
...t methodCaller(Object theObject, String methodName) {
return theObject.getClass().getMethod(methodName).invoke(theObject);
// Catch the exceptions
}
And then use it as in:
String theDescription = methodCaller(object1, "toString");
Class theClass = methodCaller(object2, "getClass");
Of cou...
Using a dictionary to count the items in a list [duplicate]
...he silliness of some of the other users suggesting to import new libraries etc.
– ntk4
Sep 23 '16 at 5:56
you could si...
Replace only some groups with Regex
... In order for this to work, I had to add .Value to m.Groups[1] etc.
– jbeldock
Dec 4 '13 at 19:02
11
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How to convert a string to lower or upper case in Ruby
... Rails Active Support gem provides upcase, downcase, swapcase,capitalize, etc. methods with internationalization support:
gem install activesupport
irb -ractive_support/core_ext/string
"STRING ÁÂÃÀÇÉÊÍÓÔÕÚ".mb_chars.downcase.to_s
=> "string áâãàçéêíóôõú"
"string áâ...
Date only from TextBoxFor()
... takes html attributes, so you can set the CSS class, wire up datepickers, etc:
@Html.TextBoxFor(m => m.EndDate, "{0:d MMM yyyy}", new { @class="input-large" })
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In vim, how do I go back to where I was before a search?
... special track of some positions and gives you access to them with ``, ^O, etc.
– aehlke
Apr 14 '11 at 3:19
the mark o...
How to include jar files with java file and compile in command prompt
...the classpath as an environment variable.
The commands for Windows, Linux, etc are different.
You can find more details in this blog.
http://javarevisited.blogspot.com/2011/01/how-classpath-work-in-java.html
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