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eclipse won't start - no java virtual machine was found
...nning fine yesterday (and has been since I installed it about a year ago). Now all the sudden I'm getting the following error on startup:
...
How to install latest version of git on CentOS 7.x/6.x
... yum install gcc perl-ExtUtils-MakeMaker
Step 2: Uninstall old Git RPM
Now remove any prior installation of Git through RPM file or Yum package manager. If your older version is also compiled through source, then skip this step.
# yum remove git
Step 3: Download and Compile Git Source
Downlo...
jQuery pass more parameters into callback
...lue1, value2);
}
This calls the callback and supplies a single argument. Now you want to supply an additional argument, so you wrap the callback in closure.
callbackReceiver(callback); // "Hello World", undefined
callbackReceiver(function(value) {
callback(value, "Foo Bar"); // "Hello Wor...
:active pseudo-class doesn't work in mobile safari
...-color: rgba(0,0,0,0);">
Testing Touch on iOS
</button>
Now when the button is tapped and held on iOS, the button changes to the specified color without the surrounding transparent gray color appearing.
In other words, setting an ontouchstart event (even if it's empty) is explic...
Static member initialization in a class template
...
@Johannes: Dammit, I'm here for a year and I didn't know that! What else am I missing? (I still remember the shame when I discovered that the two numbers that appear when I click on the number of votes aren't a bug, but a feature.) <goes_playing> Wow, when I hover over yo...
I can’t find the Android keytool
...r your certificate's MD5 fingerprint. Wtf is that, you might say. I don't know, but just do what I say and your Android app doesn't get hurt.
Go to Start>Run and type cmd to open up a command prompt. You need to navigate to the directory with the keytool.exe file, which might be in a slightly di...
Should I use string.isEmpty() or “”.equals(string)?
...
Thank you for the explanation. Now I know why to favor "".equals(str) over str.equals("")! I was always wondering why others use this so often, but didn't take null values into account. Great :-)
– Peter Wippermann
De...
Pad a number with leading zeros in JavaScript [duplicate]
...(str.length < length)
str = padString + str;
return str;
}
Now test:
var str = "5";
alert(str.lpad("0", 4)); //result "0005"
var str = "10"; // note this is string type
alert(str.lpad("0", 4)); //result "0010"
DEMO
In ECMAScript 8 , we have new method padStart and padEnd which ha...
How to include (source) R script in other scripts
...uld go into util.R. You just put the entire body of what's in util.R right now into a giant if() statement, if that makes sense.
– Keith Twombley
May 16 '13 at 17:18
add a com...
How can I obtain an 'unbalanced' grid of ggplots?
...with grid and thought I had it down but ended up failing (although looking now at the code in the function I cite below, I can see that I was really close ... :-)
The 'wq' package has a layOut function that will do it for you:
p1 <- qplot(mpg, wt, data=mtcars)
layOut(list(p1, 1:3, 1), # takes...