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When is the @JsonProperty property used and what is it used for?
...able is directly used to serialize data. If you are about to remove system api from system implementation, in some cases, you have to rename variable in serialization/deserialization. @JsonProperty is a meta data to tell serializer how to serial object. It is used to:
variable name
access (READ, W...
Convert PEM to PPK file format
...s not stored in vCloud Express.
The “Default” checkbox is used for the API.
Deploy server and select key
Connect
SSH (Mac/Linux)
Copy .PEM file to the machine from which you are going to connect.
Make sure permissions on .PEM file are appropriate (chmod 600 file.pem)
Connect with ssh comma...
JavaScript listener, “keypress” doesn't detect backspace?
...r alt, shift
This shouldn't be surprising because according to https://api.jquery.com/keypress/:
Note: as the keypress event isn't covered by any official
specification, the actual behavior encountered when using it may
differ across browsers, browser versions, and platforms.
The use o...
Uses for the Java Void Reference Type?
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Before generics, it was created for the reflection API, to hold TYPE returned by Method.getReturnType() for a void method, corresponding to the other primitive type classes.
EDIT: From the JavaDoc of Void: "The Void class is an uninstantiable placeholder class to hold a refe...
AngularJS-Twig conflict with double curly braces
...ider.startSymbol('{[{').endSymbol('}]}');
});
https://docs.angularjs.org/api/ng/provider/$interpolateProvider
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Compare two objects in Java with possible null values
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For those on android, who can't use API 19's Objects.equals(str1, str2), there is this:
android.text.TextUtils.equals(str1, str2);
It is null safe. It rarely has to use the more expensive string.equals() method because identical strings on android almost al...
Perform .join on value in array of objects
...oach, I didn't realise you could do this in JS. The data is coming from an API though, so it's probably not suitable for my use case, but it's definitely food for thought.
– jackweirdy
May 17 '13 at 11:19
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How do I save a String to a text file using Java?
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Take a look at the Java File API
a quick example:
try (PrintStream out = new PrintStream(new FileOutputStream("filename.txt"))) {
out.print(text);
}
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Node.js EACCES error when listening on most ports
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Thank you! I had the same problem. I'm used to all other APIs using hostname, port.
– David
Nov 27 '17 at 2:03
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jQuery Selector: Id Ends With?
... $("[id$='txtTitle']").val("zz");
});
<script src="https://ajax.googleapis.com/ajax/libs/jquery/2.1.1/jquery.min.js"></script>
<input id="ctl_blabla_txtTitle" type="text" />
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