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Merge PDF files

...splitting documents page by page, * merging documents page by page, (and much more) Here's a sample program that works with both versions. #!/usr/bin/env python import sys try: from PyPDF2 import PdfFileReader, PdfFileWriter except ImportError: from pyPdf import PdfFileReader, PdfFil...
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Catch multiple exceptions at once?

... Catch System.Exception and switch on the types catch (Exception ex) { if (ex is FormatException || ex is OverflowException) { WebId = Guid.Empty; return; } throw; } ...
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How to stop Gradle task execution in Android Studio?

Is there any legitimate way of Gradle task(s) execution stopping in Android Studio? 16 Answers ...
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What is PECS (Producer Extends Consumer Super)?

I came across PECS (short for Producer extends and Consumer super ) while reading up on generics. 14 Answers ...
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Google Chrome form autofill and its yellow background

I have design problem with Google Chrome and its form autofill function. If Chrome remembers some login/password it changes a background color to a yellow one. ...
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Escaping single quote in PHP when inserting into MySQL [duplicate]

... know is a bad idea). This means that strings gathered from $_GET, $_POST and $_COOKIES are escaped for you (i.e., "O'Brien" -> "O\'Brien"). Once you store the data, and subsequently retrieve it again, the string you get back from the database will not be automatically escaped for you. You'll g...
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Why is exception.printStackTrace() considered bad practice?

...() writes the stack trace to System.err PrintStream. The System.err stream and the underlying standard "error" output stream of the JVM process can be redirected by invoking System.setErr() which changes the destination pointed to by System.err. or by redirecting the process' error output stream. ...
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How do you push a tag to a remote repository using Git?

...on introduced in Git 1.8.3: git push --follow-tags It pushes both commits and only tags that are both: annotated reachable (an ancestor) from the pushed commits This is sane because: you should only push annotated tags to the remote, and keep lightweight tags for local development to avoid tag c...
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How to state in requirements.txt a direct github source

I've installed a library using the command 7 Answers 7 ...
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Getting rid of \n when using .readlines() [duplicate]

...of data. So tab-separated values is a circumstance where that would be bad and if stated that way, this answer would never be my recommendation. – hughdbrown Jun 3 '18 at 19:18 ...