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How to get the IP address of the docker host from inside a docker container
...cker need a connection between their host and container, that's it. If someone is doing "proper" deployments, probably he's not using docker bridge anyway, he's using custom networking and than probably he's aware of all the network quirks or they have DNS (or whatever discovery) set up.
...
Why are function pointers and data pointers incompatible in C/C++?
...ply making the data types the same size and guaranteeing that assigning to one and then back will result in the same value. They do this with void*, which is the only pointer type compatible with everything.
– Edward Strange
Sep 10 '12 at 20:28
...
How to create a WPF Window without a border that can be resized via a grip only?
...osoft.com/winfx/2006/xaml"
Width="640" Height="480"
WindowStyle="None"
AllowsTransparency="True"
ResizeMode="CanResizeWithGrip">
<!-- Content -->
</Window>
Result looks like:
sha...
How do I get a Cron like scheduler in Python? [closed]
...nt. (There are probably some subtleties with daylight savings time / timezones to be wary of though). Here's a quick implementation:
class CronTab(object):
def __init__(self, *events):
self.events = events
def run(self):
t=datetime(*datetime.now().timetuple()[:5])
...
Get an object properties list in Objective-C
...
@orange80's answer has one problem: It actually doesn't always terminate the string with 0s. This can lead to unexpected results like crashing while trying to convert it to UTF8 (I actually had a pretty annoying crashbug just because of that. Was f...
A simple scenario using wait() and notify() in java
...e thread will call wait() again.
As some of the other answers have mentioned, Java 1.5 introduced a new concurrency library (in the java.util.concurrent package) which was designed to provide a higher level abstraction over the wait/notify mechanism. Using these new features, you could rewrite th...
What is a Windows Handle?
...unique identifier. By context-specific, I mean that a handle obtained from one context cannot necessarily be used in any other aribtrary context that also works on HANDLEs.
For example, GetModuleHandle returns a unique identifier to a currently loaded module. The returned handle can be used in othe...
Table header to stay fixed at the top when user scrolls it out of view with jQuery
...s no longer in the windows view somehow), it will stay put at the top? Anyone can give me a Javascript solution to this?
2...
Make a div fill up the remaining width
...for fluid layouts
Introduction:
This solution is even simpler than the one provided by Leigh. It is actually based on it.
Here you can notice that the middle element (in our case, with "content__middle" class) does not have any dimensional property specified - no width, nor padding, nor margin ...
How to create local notifications?
...fication.alertBody = @"This is local notification!";
notification.timeZone = [NSTimeZone defaultTimeZone];
notification.soundName = UILocalNotificationDefaultSoundName;
notification.applicationIconBadgeNumber = 10;
[[UIApplication sharedApplication] scheduleLocalNotification:notific...