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Intersection and union of ArrayLists in Java
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You can use CollectionUtils from apache commons.
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How to post JSON to a server using C#?
...se a JSON library, such as Newtonsoft JSON.Net, and render the JSON string from an object, or use serialization. I understand that this was omitted here for simplicity (although the simplicity gain is minimal), but formatting structured data strings (JSON, XML, ...) is too dangerous to do it even in...
How to wait for async method to complete?
...rruptTransfer();
await t;
}
// read some data from device; we need to wait for this to return
await RequestToGetInputReport();
}
}
private async Task RequestToGetInputReport()
{
// lots of code prior to this
int bytesRead = await GetInputReportViaInt...
How do I push a new local branch to a remote Git repository and track it too?
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For people using Git from Visual Studio: Actually this is that "Publish Branch" in Visual Studio does. After executing git push with -u parameter i can finally see my branch as published in VS UI.
– Puterdo Borato
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Check if list of objects contain an object with a certain attribute value
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As you can easily see from the documentation, the any() function short-circuits an returns True as soon as a match has been found.
any(x.name == "t2" for x in l)
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Make absolute positioned div expand parent div height
...uestion by yourself: "I know that absolute positioned elements are removed from the flow, thus ignored by other elements." So you can't set the parents height according to an absolutely positioned element.
You either use fixed heights or you need to involve JS.
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How do I copy a hash in Ruby?
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Hash can create a new hash from an existing hash:
irb(main):009:0> h1 = {1 => 2}
=> {1=>2}
irb(main):010:0> h2 = Hash[h1]
=> {1=>2}
irb(main):011:0> h1.object_id
=> 2150233660
irb(main):012:0> h2.object_id
=> 215020506...
How to replace a hash key with another key
...eates a new key/value pair where you specify the new key and get the value from what hash.delete :old_key returns and the delete uses the old key. WOW, I want it tattooed somewhere :-D Thanks
– Bart C
Oct 16 '15 at 10:44
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How do I find out what keystore my JVM is using?
...VA_HOME
/Library/Java/JavaVirtualMachines/jdk1.8.0_40.jdk/Contents/Home
From there it's in:
./jre/lib/security
I have a cacerts keystore in there.
To specify this as a VM option:
-Djavax.net.ssl.trustStore=/Library/Java/JavaVirtualMachines/jdk1.8.0_40.jdk/Contents/Home/jre/lib/security/cacer...
Best Practices: working with long, multiline strings in PHP?
... and use single quotes for the rest of the string. That way they stand out from the rest of the text and variables also stand out better if you use concatenation rather than inject them inside double quoted string. So I might do something like this with your original example:
$text = 'Hello ' . $va...