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Android ViewPager with bottom dots

... app:imageResources="@array/img_id_arr"/> Create an integer array in strings.xml e.g. <integer-array name="img_id_arr"> <item>@drawable/img1</item> <item>@drawable/img2</item> <item>@drawable/img3</item> <item>@drawable/img4</item&...
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How should I read a file line-by-line in Python?

...ndle when it collects the file object, therefore as long as you don't have extra references to the file object and you don't disable GC and you're not opening many files in quick succession, you're unlikely to get "too many files open" due to not closing the file. – Lie Ryan ...
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Performance difference for control structures 'for' and 'foreach' in C#

...date. I did a small test, just to see. Here is the code: static void Main(string[] args) { List<int> intList = new List<int>(); for (int i = 0; i < 10000000; i++) { intList.Add(i); } DateTime timeStarted = DateTime.Now; for (int i = 0; i < intList...
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What makes a keychain item unique (in iOS)?

...ivate keys. That's a lot different to Apple's sample code that only stores string credentials (username/password). However, I have found out that when you set the kSecClass to kSecClassCertificate or kSecClassKey the Keychain checks also if the entry (the value) is already stored. This prevents from...
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WatiN or Selenium? [closed]

... { IE _ie = null; object _lock = new object(); IE GetInstance(string UrlFragment) { lock (_lock) { if (_ie == null) { var instances = new IECollection(true); //Find all existing IE instances var match = instanc...
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How to determine if a list of polygon points are in clockwise order?

...worked perfectly for my use. Note that if you can plan ahead and spare and extra two vectors in your array, you can get rid of the comparison (or %) by adding the first vector at the tail of the array. That way you simply loop over all the elements, except the last one (length-2 instead of length-1)...
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google oauth2 redirect_uri with several parameters

... state=THE_STATE_PARAMETERS So for your case,do this: /1. create a json string of your parameters -> { "a" : "b" , "c" : 1 } /2. do a base64UrlEncode , to make it URL safe -> stateString = base64UrlEncode('{ "a" : "b" , "c" : 1 }'); This is a PHP example of base64UrlEncoding & de...
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What is the benefit of using Fragments in Android, rather than Views?

... for last year, I was also thinking that Fragments don't provide any extra ordinary feature, but I experienced that after clicking back on activity I was loosing all images downloaded in that, so had to add cache implementation, now I'm thinking using fragments it may be very easy ...
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Which one will execute faster, if (flag==0) or if (0==flag)?

... some user declaring them: typedef, enum, struct, class. For example, std::string is user defined, even though you certainly not defined it yourself :) – Matthieu M. Jan 7 '11 at 14:29 ...
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Android splash screen image sizes to fit all devices

...ldpi ~ 120dpi) Medium Density (mdpi ~ 160dpi) High Density (hdpi ~ 240dpi) Extra-High Density (xhdpi ~ 320dpi) (These dpi values are approximations, since custom built devices will have varying dpi values) What you (if you're a designer) need to know from this is that Android basically chooses fro...