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What does immutable mean?

...ou instantiate the object, you can't change its properties. In your first alert you aren't changing foo. You're creating a new string. This is why in your second alert it will show "foo" instead of oo. Does it mean, when calling methods on a string, it will return the modified string, but...
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How to change current Theme at runtime in Android [duplicate]

...t*/ String choose[] = {"Theme_Holo_Light","Theme_Black"}; AlertDialog.Builder b = new AlertDialog.Builder(this); /** Setting a title for the window */ b.setTitle("Choose your Application Theme"); /** Setting items to the alert dialog */ b.setSingleC...
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Make a number a percentage

...o need for anything fancy: var number1 = 4.954848; var number2 = 5.9797; alert(Math.floor((number1 / number2) * 100)); //w00t! share | improve this answer | follow ...
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window.onload vs $(document).ready()

...ers . Correct code: window.addEventListener('load', function () { alert('Hello!') }) window.addEventListener('load', function () { alert('Bye!') }) Invalid code: window.onload = function () { alert('Hello!') // it will not work!!! } window.onload = function () { ...
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How do I get the fragment identifier (value after hash #) from a URL?

...w.site.com/index.php#hello"; var hash = url.substring(url.indexOf('#')+1); alert(hash); SEE DEMO share | improve this answer | follow | ...
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Set initial focus in an Android application

... I was able to gain focus on an AlertDialog and enabling focusableintouchmode helped me get it right. Essentially, here's how: alert.show(); alert.getButton(AlertDialog.BUTTON_POSITIVE).setFocusableInTouchMode(true);alert.getButton(AlertDialog.BUTTON_NEGATI...
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How to get the containing form of an input?

...ttribute that points to the form they belong to: var form = element.form; alert($(form).attr('name')); According to w3schools, the .form property of input fields is supported by IE 4.0+, Firefox 1.0+, Opera 9.0+, which is even more browsers that jQuery guarantees, so you should stick to this. If...
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How can I check if string contains characters & whitespace, not just whitespace?

...the string against this regex: if(mystring.match(/^\s+$/) === null) { alert("String is good"); } else { alert("String contains only whitespace"); } share | improve this answer | ...
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How are people unit testing with Entity Framework 6, should you bother?

...n a known state with each test. Most systems use either a backup or create scripts for this. Each test must be repeatable Each test must be atomic There are two main approaches to setting up your database, the first is to run a UnitTest create DB script. This ensures that your unit test database w...
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How to dynamically create CSS class in JavaScript and apply?

...thout dependencies on CSS files. In my case I want lightweight growl-style alert popups out-of-the-box. – xeolabs Aug 12 '13 at 7:24 1 ...