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How to render a PDF file in Android

...ast and easy to use, licensed under Apache License 2.0: pdfView.fromAsset(String) .pages(0, 2, 1, 3, 3, 3) // all pages are displayed by default .enableSwipe(true) .swipeHorizontal(false) .enableDoubletap(true) .defaultPage(0) .onDraw(onDrawListener) .onLoad(onLoadCompleteListener) ...
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Any gotchas using unicode_literals in Python 2.6?

... The main source of problems I've had working with unicode strings is when you mix utf-8 encoded strings with unicode ones. For example, consider the following scripts. two.py # encoding: utf-8 name = 'helló wörld from two' one.py # encoding: utf-8 from __future__ import unic...
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PreparedStatement IN clause alternatives?

...ng multiple comma-delimited parameters. * * @param sql The SQL statement string with one IN clause. * @param params The number of parameters the SQL statement requires. * @return The SQL statement with (?) replaced with multiple parameter * placeholders. */ public static String any(String sql,...
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Count character occurrences in a string in C++

How can I count the number of "_" in a string like "bla_bla_blabla_bla" ? 13 Answers ...
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A complete solution to LOCALLY validate an in-app receipts and bundle receipts on iOS 7

...could look like this. From RMAppReceipt: + (NSData*)dataFromPKCS7Path:(NSString*)path { const char *cpath = [[path stringByStandardizingPath] fileSystemRepresentation]; FILE *fp = fopen(cpath, "rb"); if (!fp) return nil; PKCS7 *p7 = d2i_PKCS7_fp(fp, NULL); fclose(fp); if ...
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Invalid postback or callback argument. Event validation is enabled using '

... The problem is that ASP.NET does not get to know about this extra or removed listitem. You got an number of options (listed below): Disable eventvalidation (bad idea, because you lose a little of security that come with very little cost). Use ASP.NET Ajax UpdatePanel. (Put the listb...
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JavaScript: client-side vs. server-side validation

...ans users get faster feedback and more of them sign up, resulting in $100k extra revenue per year, it more than pays for the extra maintenance costs. DRY is a very good principle, but it's not the only consideration. Code quality is really measured in how well it serves users and an organization in ...
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StringBuilder vs String concatenation in toString() in Java

Given the 2 toString() implementations below, which one is preferred: 18 Answers 18 ...
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Bootstrap 3 and 4 .container-fluid with grid adding unwanted padding

... That's only possible via an extra class... I've defined a class named remove-padding which just has a .remove-padding {padding-left: 0; padding-right: 0; margin-left: 0; margin-right: 0} As far as I know, there is no predefined class to remove the defau...
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How do I use arrays in C++?

...int i = 0; i < n; ++i) { delete[] p[i]; } delete[] p; // note the extra delete[] ! And here is how it looks like in memory: +---+---+---+---+---+ | | | | | | +---+---+---+---+---+ ^ | +---+---+---+---+ | | | ...