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How do I parse JSON in Android? [duplicate]

... Android has all the tools you need to parse json built-in. Example follows, no need for GSON or anything like that. Get your JSON: Assume you have a json string String result = "{\"someKey\":\"someValue\"}"; Create a JSONObject: JS...
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Check string for palindrome

... @Vijay Tholpadi - It's just really a coding preference more than anything else. Post increment would accomplish same result in this particular example, but I always use pre increment unless there's a specific reason not to. – dcp ...
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Run an untrusted C program in a sandbox in Linux that prevents it from opening files, forking, etc.?

...interactively and in automatic mode. It has a ptrace()-based backend which allows its use on a Linux system without special privileges, as well as a far faster and more poweful backend which requires patching the kernel. It is also possible to create a sandbox on Unix-like systems using chroot(1), ...
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Find value in an array

... array.select{} will go through all elements in the array looking those which match the condition. array.find instead will return the first element that match the condition. So preferable use array.find{ |e| e == 3 } then array.select{ |e| e == 3 }.first ...
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Text inset for UITextField?

... I suggest to call [super textRectForBounds:bounds] and [super editingRectForBounds:bounds] before calling CGRectInset(bounds,10, 10). This will fix the clear button overlay issue. – mrvincenzo Sep 27 ...
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Convert a byte array to integer in Java and vice versa

I want to store some data into byte arrays in Java. Basically just numbers which can take up to 2 Bytes per number. 8 Answe...
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What is the purpose of a self executing function in javascript?

... It's all about variable scoping. Variables declared in the self executing function are, by default, only available to code within the self executing function. This allows code to be written without concern of how variables are nam...
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Warning message: In `…` : invalid factor level, NA generated

... Here is a flexible approach, it can be used in all cases, in particular: to affect only one column, or the dataframe has been obtained from applying previous operations (e.g. not immediately opening a file, or creating a new data frame). First, un-factorize a stri...
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var functionName = function() {} vs function functionName() {}

...); function functionTwo() { console.log("Hello!"); } Historically, function declarations defined within blocks were handled inconsistently between browsers. Strict mode (introduced in ES5) resolved this by scoping function declarations to their enclosing block. 'use strict'; ...
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Test whether a glob has any matches in bash

... If find feels like overkill and the number of files likely to match is small, use stat: if stat -t glob* >/dev/null 2>&1 then echo found else echo not found fi share | improve ...