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How to change Vagrant 'default' machine name?
...ed the first time and doesn't change when you restart. (3) The project is mapped to a VirtualBox VM via UUID, which is stored in PROJECT_ROOT/.vagrant/machines/default/virtualbox/id. This UUID is not visible in the VirtualBox GUI (virtualbox.org/ticket/6989), but you can use VBoxManage list vms on t...
Reset/remove CSS styles for element only
.... For
example certain elements like textarea by default have a border,
applying this reset will render those textarea's border less.
[POST EDIT FEB 4, '17]
Upvoted for becoming a modern norm, user Joost
#reset-this-parent {
all: initial;
* {
all: unset;
}
}
EXAMPLE FROM W3
Fo...
How to get share counts using graph API
... use graph api. If you either call:
http://graph.facebook.com/http://www.apple.com
or
http://graph.facebook.com/?id=http://www.apple.com
both will return:
{
"id": "http://www.apple.com",
"shares": 1146997
}
But the number shown is the sum of:
number of likes of this URL
number of sh...
What's the difference between dynamic (C# 4) and var?
...Length);
and
string s = "abc";
Console.WriteLine(s.Length);
All that happened was that the compiler figured out that s must be a string (from the initializer). In both cases, it knows (in the IL) that s.Length means the (instance) string.Length property.
dynamic is a very different beast; it i...
What exactly are DLL files, and how do they work?
...es that can contain executable code and resources like images, etc. Unlike applications, these cannot be directly executed, but an application will load them as and when they are required (or all at once during startup).
Are they important?
Most applications will load the DLL files they require at...
Eclipse java debugging: source not found
While debugging a java app in eclipse I receive a " Source not found " error in two cases:
31 Answers
...
Creation timestamp and last update timestamp with Hibernate and MySQL
...ava.util.Date;
import javax.persistence.Column;
import javax.persistence.MappedSuperclass;
import javax.persistence.PrePersist;
import javax.persistence.PreUpdate;
import javax.persistence.Temporal;
import javax.persistence.TemporalType;
@MappedSuperclass
public abstract class AbstractTimestampEnt...
Configuring diff tool with .gitconfig
....gitconfig:
[diff]
tool = diffmerge
[difftool "diffmerge"]
cmd = /Applications/Diffmerge.app/Contents/MacOS/diffmerge $LOCAL $REMOTE
This will fix the diff tool. You can also fix this without editing the ~/.gitconfig directly by entering these commands from the terminal:
git config --glo...
Samples of Scala and Java code where Scala code looks simpler/has fewer lines?
... In 2.7.x and 2.8.0 the only boxing is in productElements and unapply, not in the constructor, field, or accessor: gist.github.com/424375
– retronym
Jun 3 '10 at 19:58
2...
java.lang.OutOfMemoryError: Java heap space
...VM options on the Java website.
However, I would recommend profiling your application to find out why your heap size is being eaten. NetBeans has a very good profiler included with it. I believe it uses the jvisualvm under the hood. With a profiler, you can try to find where many objects are being ...