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What could cause java.lang.reflect.InvocationTargetException?

Well, I've tried to understand and read what could cause it but I just can't get it: 13 Answers ...
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How do you add a timer to a C# console application

... nice, however in order to simulate some time passing we need to run a command that takes some time and that's very clear in second example. However, the style of using a for loop to do some functionality forever takes a lot of device resources and instead we can use the Garbage Collector to do som...
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CSS @font-face not working with Firefox, but working with Chrome and IE

...it to behave just as other browsers, go to about:config, filter by fileuri and toggle the following preference: security.fileuri.strict_origin_policy Set it to false and you should be able to load local font resources across different path levels. PUBLISHED SITE As per my comment below, and you ...
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What would cause an algorithm to have O(log log n) complexity?

... 16 16 / 2 = 8 8 / 2 = 4 4 / 2 = 2 2 / 2 = 1 This process takes 16 steps, and it's also the case that 65,536 = 216. But, if we take the square root at each level, we get √65,536 = 256 √256 = 16 √16 = 4 √4 = 2 Notice that it only takes four steps to get all the way down to 2. Why is this?...
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Memory management in Qt?

I'm quite new to Qt and am wondering on some basic stuff with memory management and the life of objects. When do I need to delete and/or destroy my objects? Is any of this handled automatically? ...
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Algorithm to detect overlapping periods [duplicate]

...etect if two time periods are overlapping. Every period has a start date and an end date. I need to detect if my first time period (A) is overlapping with another one(B/C). In my case, if the start of B is equal to the end of A, they are not overlapping(the inverse too) I found the followi...
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Clear a terminal screen for real

Using the clear command on the terminal only fools the user into thinking the screen has been cleared...you can still see output from the previous commands when you scroll using the mouse. This makes life difficult when you are drowning in a tsunami of text. ...
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Make a link in the Android browser start up my app?

... scheme. Something along the lines of: <intent-filter> <data android:scheme="anton" /> <action android:name="android.intent.action.VIEW" /> <category android:name="android.intent.category.DEFAULT" /> <category android:name="android.intent.category.BROWSABL...
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How to set HTTP headers (for cache-control)?

...ive CACHE-CONTROL:NO-CACHE indicates cached information should not be used and instead requests should be forwarded to the origin server. This directive has the same semantics as the PRAGMA:NO-CACHE. Clients SHOULD include both PRAGMA: NO-CACHE and CACHE-CONTROL: NO-CACHE when a no-cache request is...
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What is the yield keyword used for in C#?

...uced in C# 2.0. In earlier versions you had to create your own IEnumerable and IEnumerator objects to do stuff like this. The easiest way understand code like this is to type-in an example, set some breakpoints and see what happens. Try stepping through this example: public void Consumer() { f...