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How to convert string to boolean php
...a $_POST. I had a similar problem when I did something like:
if ( $_POST['myVar'] == true) {
// do stuff;
}
In the code above, my Boolean was converted into a JSON string.
To overcome this, you can decode the string using json_decode():
//assume that : $_POST['myVar'] = 'true';
if( json_de...
a href link for entire div in HTML/CSS
...of what Surreal Dreams said, it's probably best to style the anchor tag in my experience, but it really does depend on what you are doing. Here's an example:
Html:
<div class="parent-div">
<a href="#">Test</a>
<a href="#">Test</a>
<a href="#">Test</a&g...
How do I get a list of all the duplicate items using pandas in python?
... Oops, you're right @FinancialRadDeveloper, on both counts. I'll delete my comment. Thanks for picking up the error.
– dreme
Nov 11 '18 at 9:50
4
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Null check in an enhanced for loop
...
@Jon: I have always asked my self, what was the use of that emptyList java.sun.com/j2se/1.5.0/docs/api/java/util/… What's IIRC?
– OscarRyz
Feb 12 '10 at 6:34
...
Why does Ruby 1.9.2 remove “.” from LOAD_PATH, and what's the alternative?
... @Joshua Cheek: Personally, I don't like that. (But please don't look at my older code, because it is littered with that kind of stuff :-) ). I simply pretend that the lib directory is on the $LOAD_PATH and then require all files relative to lib. In other words: I leave it to the administrator to ...
Should Javadoc comments be added to the implementation?
...pertype, you could be in a world of trouble. I studied this problem during my PhD and found that in general folks will never be aware of the extra information in the overriding version if they are invoking through a supertype.
Addressing this problem was one of the major feature of the prototype t...
What is the C# equivalent of NaN or IsNumeric?
...
This doesn't have the regex overhead
double myNum = 0;
String testVar = "Not A Number";
if (Double.TryParse(testVar, out myNum)) {
// it is a number
} else {
// it is not a number
}
Incidentally, all of the standard data types, with the glaring exception of GUID...
Drop unused factor levels in a subsetted data frame
... As a side-effect the function converts the data frame to a list, so the mydf <- droplevels(mydf) solution suggested by Roman Luštrik and Tommy O'Dell below is preferable.
– Johan
May 9 '14 at 10:41
...
What is the purpose of “&&” in a shell command?
...n of comparison commands, breaking when any of them failed. So you've got my upvote :)
– PiRK
Nov 24 '17 at 12:50
1
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Bytecode features not available in the Java language
...
@JoachimSauer: also, an undocumented addition of my own: the java language includes the "throws ex1, ex2, ..., exn" as part of the method signatures; you can't add exception throwing clauses to overridden methods. BUT, the JVM couldn't care less. So only final methods are t...