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How to get the IP address of the docker host from inside a docker container
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As @MichaelNeale noticed, there is no sense to use this method in Dockerfile (except when we need this IP during build time only), because this IP will be hardcoded during build time.
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Why does SSL handshake give 'Could not generate DH keypair' exception?
... "Java Cryptography Extension (JCE) Unlimited Strength Jurisdiction Policy Files" answer did not work for me but The BouncyCastle's JCE provider suggestion did.
Here are the steps I took using Java 1.6.0_65-b14-462 on Mac OSC 10.7.5
1) Download these jars:
bcprov-jdk15on-154.jar
bcprov-ext-jdk1...
Returning a boolean from a Bash function
I want to write a bash function that check if a file has certain properties and returns true or false. Then I can use it in my scripts in the "if". But what should I return?
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What are the differences between Generics in C# and Java… and Templates in C++? [closed]
...cenes the C# compiler is just putting List<Person> into the .NET dll file, but at runtime the JIT compiler goes and builds a new set of code, as if you had written a special list class just for containing people - something like ListOfPerson.
The benefit of this is that it makes it really fas...
Understanding reference counting with Cocoa and Objective-C
...l retain explicitly, and then explicitly release it when you're done.
Consider the following (very contrived) bit of code, and you'll see a situation where autorelease is required:
- (NSString*)createHelloWorldString
{
NSString* s = [[NSString alloc] initWithString:@"Hello World"];
// Now...
How to disable HTML links
I have a link button inside a <td> which I have to disable. This works on IE but not working in Firefox and Chrome.
Structure is - Link inside a <td> . I cannot add any container in the <td> (like div/span)
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fastest MD5 Implementation in JavaScript
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A demonstration of this md5 library can be found here: jsfiddle.net/v28gq
– Anderson Green
Jan 21 '13 at 13:10
16
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Why does std::getline() skip input after a formatted extraction?
...select Enter or Return when submitting from a terminal. It is also used in files for moving toward the next line. The newline is left in the buffer after the extraction into name until the next I/O operation where it is either discarded or consumed. When the flow of control reaches std::getline(), t...
How to make a HTML Page in A4 paper size page(s)?
...cluding the old, pre 2005 ones). For that, you'll have to create a web CSS file or override some parts of your print CSS. When creating CSS for web display, remember that a browser can have ANY size (think: “mobile” up to “big-screen TVs”). Meaning: for the web CSS your page-width and image-...
Passing a std::array of unknown size to a function
...ultiplier );
}
(not tested, but design should work).
Then, in your .cpp file:
void mulArrayImpl(contig_range<int> rng, const int multiplier) {
for(auto& e : rng) {
e *= multiplier;
}
}
This has the downside that the code that loops over the contents of the array doesn't know ...