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How do I check if a string is a number (float)?
What is the best possible way to check if a string can be represented as a number in Python?
33 Answers
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Would you, at present date, use JBoss or Glassfish (or another) as Java EE server for a new project?
... of really good consultants to address a simple scalability solution. The extra millions per year could then be used to produce something worthy of selling on that nice website...
EDIT: another piece to consider...
I have recently encountered Terracotta. I am rethinking everything, and looking ...
Why does overflow:hidden not work in a ?
... always like to be a particular width. However, it doesn't work with large strings of unspaced text. Here's a test case:
11...
Check existence of input argument in a Bash shell script
...guments the script was passed.
Or you can check if an argument is an empty string or not like:
if [ -z "$1" ]
then
echo "No argument supplied"
fi
The -z switch will test if the expansion of "$1" is a null string or not. If it is a null string then the body is executed.
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What is Weak Head Normal Form?
...thunks. In this case, t1 would be your 0 (or rather, a thunk to 0 given no extra unboxing)
seq and $! evalute WHNF. Note that
f $! x = seq x (f x)
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Java equivalent to C# extension methods
... allowing you to add methods to classes you do not control e.g., java.lang.String. Demonstration: http://manifold.systems/images/ExtensionMethod.mp4
– Scott
Apr 12 '18 at 21:32
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When to use std::forward to forward arguments?
...uld be able to modify the account.
#include <iostream>
#include <string>
#include <sstream> // std::stringstream
#include <algorithm> // std::move
#include <utility>
#include <iostream>
#include <functional>
template<class T> class BankAccount {
priv...
What is your most productive shortcut with Vim?
...can use d/foo to cut from the current line to the next line containing the string "foo" and y?bar to copy from the current line to the most recent (previous) line containing "bar." If I don't want whole lines I can still use the search movements (as statements of their own), drop my mark(s) and use...
Value Change Listener to JTextField
... private static final long serialVersionUID = 1L;
public static final String TEXT_PROPERTY = "text";
public CoolJTextField() {
this(0);
}
public CoolJTextField(int nbColumns) {
super("", nbColumns);
this.setDocument(new MyDocument());
}
@SuppressWa...
jQuery UI dialog positioning
...
Darn, that's nice but it's deprecated- "Note: The String and Array forms are deprecated." api.jqueryui.com/dialog/#option-position So you'd need to use the position object my/at/of thingy. See the link there about "jQuery UI Position". You could get something like position...