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AngularJS : Where to use promises?

...nd function consumes the result of the first one: var firstFn = function(param) { // do something with param return 'firstResult'; }; var secondFn = function(param) { // do something with param return 'secondResult'; }; secondFn(firstFn()); Now imagine that firstFn and sec...
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Selenium c# Webdriver: Wait Until Element is Present

... little extension method to to IWebDriver that adds a timeout (in seconds) parameter to the FindElement() method. It's quite self-explanatory: public static class WebDriverExtensions { public static IWebElement FindElement(this IWebDriver driver, By by, int timeoutInSeconds) { if (t...
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What's the difference between passing by reference vs. passing by value?

...use the phrase predates it). Now, the authentic definition is: When a parameter is passed by reference, the caller and the callee use the same variable for the parameter. If the callee modifies the parameter variable, the effect is visible to the caller's variable. When a parameter is passed by...
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How does functools partial do what it does?

...k): ''' callback should accept two positional arguments, event and params ''' self._listeners.append(callback) # ... def notify(self, event, *params): for f in self._listeners: f(event, params) But a function you already have needs access to some th...
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PHP function overloading

...o much, but I would suggest a hint that this is being done in the function parameters like myFunc(/*...*/). – doug65536 Sep 7 '13 at 9:16 4 ...
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What does the “map” method do in Ruby?

... of tuples with special instructions for the interpreter). The first "pipe parameter" is the key, the second is the value. {:make => "audi", :color => "black", :year => 2008}.each do |k,v| puts "#{k} is #{v}" end #make is audi #color is black #year is 2008 To answer the actual questi...
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Android: How to Programmatically set the size of a Layout

...nearLayout layout = findViewById(R.id.numberPadLayout); // Gets the layout params that will allow you to resize the layout LayoutParams params = layout.getLayoutParams(); // Changes the height and width to the specified *pixels* params.height = 100; params.width = 100; layout.setLayoutParams(params)...
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ASP.NET Web API Authentication

... public static String invokePost(String action, List<NameValuePair> params) { try { String url = API_URL + action + "/"; Log.d(TAG, "url is" + url); HttpPost httpPost = new HttpPost(url); if (params != null && params.size() > 0) { Htt...
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String isNullOrEmpty in Java? [duplicate]

... You can add one public static boolean isNullOrBlank(String param) { return param == null || param.trim().length() == 0; } I have public static boolean isSet(String param) { // doesn't ignore spaces, but does save an object creation. return param != null && pa...
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Backbone.js: get current route

... FYI, this doesn't work with routes like 'foo/:id' or 'bar*params' – wprl Apr 24 '13 at 19:32 2 ...