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Converting a string to int in Groovy
...ntroduced in recent versions of groovy (initial answer is fairly old), but now you can use:
def num = mystring?.isInteger() ? mystring.toInteger() : null
or
def num = mystring?.isFloat() ? mystring.toFloat() : null
I recommend using floats or even doubles instead of integers in the case if the...
how to get GET and POST variables with JQuery?
...to emit is actually empty, you will get a javascript syntax error. If you know it's a string, you should wrap it in quotes. If it's an integer, you may want to test to see if it actually exists before writing the line to javascript.
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Delete topic in Kafka 0.8.1.1
...
Thanks for the info. Do you know how to clear the entire Kafka and Zookeeper states as indicated?
– EmPak5
Jun 18 '14 at 16:09
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Best way to represent a fraction in Java?
...never overflow. But it'll be a tad slow for a lot of operations that you know will never overflow.. anyway, use it if you want it. I've been dying to show this off somehow. :)
Edit: Latest and greatest version of this code, including unit tests is now hosted on GitHub and also available via Maven...
How to write an inline IF statement in JavaScript?
...e minor if the value is true, and major if the value is false.
This is known as a Conditional (ternary) Operator.
https://developer.mozilla.org/en-US/docs/JavaScript/Reference/Operators/Conditional_Operator
share
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Exclude .svn directories from grep [duplicate]
...:
alias sgrep='find . -path "*/.svn" -prune -o -print0 | xargs -0 grep'
Now you can do this:
sgrep some_var
... and get expected results.
Of course, if you're an insane person like me who just has to use the same .bashrc everywhere, you could spend 4 hours writing an overcomplicated bash func...
VBoxManage: error: Failed to create the host-only adapter
...upport/VirtualBox/LaunchDaemons/VirtualBoxStartup.sh" restart
You should now be able to run vagrant up or vagrant reload and have your new host configured.
As mentioned in this answer, recent versions of macOS can block VirtualBox.
Solution:
Go to System Preferences > Security & Pri...
How to create an array of object literals in a loop?
...mns[key] = {
sortable: true,
resizeable: true
};
}
// Now you can access column info like this.
columns['notes'].resizeable;
The above approach should be much faster and idiomatic than searching the entire object array for a key for each access.
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Android app in Eclipse: Edit text not showing on Graphical layout
...gt; Show View there is no error log option. The whole designer is useless now, because I can not use it anymore until I delete the EditText directly from the xml. What is causing this error, and how do I fix it? I am running the latest version (as of today, 6-30-14), and Windows 8 Pro x64.
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Prevent multiple instances of a given app in .NET?
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I've been using that for a couple years, but am now looking to change to a Mutex-based solution. I have customers that report issues with this and I suspect it's using Remoting to do it.
– Richard Watson
Jun 18 '09 at 8:28
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