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My docker container has no internet
...v.conf in the docker container. If it has an invalid DNS server, such as nameserver 127.0.x.x, then the container will not be able to resolve the domain names into ip addresses, so ping google.com will fail.
Second thing to check is run cat /etc/resolv.conf on the host machine. Docker basically cop...
What is a good regular expression to match a URL? [duplicate]
...hich is less restrictive http://regexr.com/3e6m0.
Example JavaScript implementation:
var expression = /[-a-zA-Z0-9@:%._\+~#=]{1,256}\.[a-zA-Z0-9()]{1,6}\b([-a-zA-Z0-9()@:%_\+.~#?&//=]*)?/gi;
var regex = new RegExp(expression);
var t = 'www.google.com';
if (t.match(regex)) {
alert("...
Create, read, and erase cookies with jQuery [duplicate]
Somebody help me. How to create, read and erase some cookies with jQuery ?
4 Answers
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Installing older version of R package
I am trying to use Rpy2 and ggplot2 but I get an error. After some searching for the error online, I found that the error occurs because there are changes in the ggplot2 package that are not yet reflected in Rpy2 (for example, see this post (Edit: Link is now dead)).
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The JPA hashCode() / equals() dilemma
There have been some discussions here about JPA entities and which hashCode() / equals() implementation should be used for JPA entity classes. Most (if not all) of them depend on Hibernate, but I'd like to discuss them JPA-implementation-neutrally (I am using EclipseLink, by the way).
...
C++ mark as deprecated
I have a method in an interface that I want to deprecate with portable C++.
When I Googled for this all I got was a Microsoft specific solution; #pragma deprecated and __declspec(deprecated) .
...
Android Gallery on Android 4.4 (KitKat) returns different URI for Intent.ACTION_GET_CONTENT
...NT_CALLED);
} else {
Intent intent = new Intent(Intent.ACTION_OPEN_DOCUMENT);
intent.addCategory(Intent.CATEGORY_OPENABLE);
intent.setType("image/jpeg");
startActivityForResult(intent, GALLERY_KITKAT_INTENT_CALLED);
}
@Override
public void onActivityResult(int requestCode, int resul...
Controlling a USB power supply (on/off) with Linux
...er/level # turn off
(You may need to change usb1 to usb n)
Source: Documentation/usb/power-management.txt.gz
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Revert to a commit by a SHA hash in Git? [duplicate]
... commit six commits behind the head, reverting all the changes in the intermediary commits in between.
9 Answers
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Commonly accepted best practices around code organization in JavaScript [closed]
As JavaScript frameworks like jQuery make client side web applications richer and more functional, I've started to notice one problem...
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