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git diff two files on same branch, same commit
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This worked for me, just comparing file names from two different directories: git diff --name-only HEAD:dir1 HEAD:dir1_backup works after a git add of both directories.
– Frank Forte
Feb 13 '18 at 18:41
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How can we match a^n b^n with Java regex?
...s when you're subjected to various constraints, the systematic composition from various parts to build a working solution, etc.
Bonus material! PCRE recursive pattern!
Since we did bring up PHP, it needs to be said that PCRE supports recursive pattern and subroutines. Thus, following pattern works ...
how to convert java string to Date object [duplicate]
...teFormat df = new SimpleDateFormat("MM/dd/yyyy");
// Convert from String to Date
Date startDate = df.parse(startDateString);
// Print the date, with the default formatting.
// Here, the important thing to note is that the parts of the date
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how to get GET and POST variables with JQuery?
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For GET parameters, you can grab them from document.location.search:
var $_GET = {};
document.location.search.replace(/\??(?:([^=]+)=([^&]*)&?)/g, function () {
function decode(s) {
return decodeURIComponent(s.split("+").join(" "));
}
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How to convert jsonString to JSONObject in Java
...ult in infinite recursion.
(Deserialization)
BagOfPrimitives obj2 = gson.fromJson(json, BagOfPrimitives.class);
==> obj2 is just like obj
Another example for Gson:
Gson is easy to learn and implement, you need to know is the following two methods:
-> toJson() – convert java object to...
How to determine the screen width in terms of dp or dip at runtime in Android?
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I stumbled upon this question from Google, and later on I found an easy solution valid for API >= 13.
For future references:
Configuration configuration = yourActivity.getResources().getConfiguration();
int screenWidthDp = configuration.screenWidthDp...
Checking if all elements in a list are unique
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Alternative to a set, you can use a dict.
len({}.fromkeys(x)) == len(x)
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How to convert “camelCase” to “Camel Case”?
... an ES5 feature, but you can still use it in older browsers with some code from MDC. Alternatively, you can iterate over the array elements using a for loop.
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Visual List of iOS Fonts?
...swer this question. The reputation requirement helps protect this question from spam and non-answer activity.
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Testing the type of a DOM element in JavaScript
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I usually get it from the toString() return value. It works in differently accessed DOM elements:
var a = document.querySelector('a');
var img = document.createElement('img');
document.body.innerHTML += '<div id="newthing"></div&g...