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How can I output a UTF-8 CSV in PHP that Excel will read properly?

... I found that things came out garbled if I started the string as just the BOM, then on another line added the "sep=,\n", then on another line added the data. Things were fine if I did it all in one line ($csv = chr(255) . chr(254) /* BOM */ . "sep=,\n" . mb_convert_encoding($csv,...
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Most efficient way to determine if a Lua table is empty (contains no entries)?

... This won't work on a table that as strings as index's – SamHoque Aug 2 '19 at 0:01 add a comment  |  ...
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Writing unit tests in Python: How do I start? [closed]

...d to work well. Finally, anyone who uses your code doesn't need to install extra packages. – Jeyekomon Jul 6 '18 at 15:04 ...
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Hidden Features of SQL Server

... Connection String extras: MultipleActiveResultSets=true; This makes ADO.Net 2.0 and above read multiple, forward-only, read-only results sets on a single database connection, which can improve performance if you're doing a lot of read...
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Clicking the back button twice to exit an activity

... } this.doubleBackToExitPressedOnce = true; Toast.makeText(this, R.string.exit_press_back_twice_message, Toast.LENGTH_SHORT).show(); } And it just works exactly as I want. Including the reset of the state whenever the activity is resumed. ...
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Why would I want stage before committing in Git?

...then you do your work, then you run git add, and then git commit. Why the extra git add step? The secret here is what Git calls, variously, the index, or the staging area, or sometimes—rarely these days—the cache. These are all names for the same thing. Edit: I think I may be confusing the te...
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How do I open an old MVC project in Visual Studio 2012 or Visual Studio 2013?

... .csproj : error : The operation could not be completed. Invalid class string I can't find any citations for the real cause of that, but I was able to get VS2012RTM to load the project successfully by changing the <ProjectGuid>. (No idea how this happened - its part of a large solution ...
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Is there a 'foreach' function in Python 3?

...nt: // PHP: foreach ($array as $val) { print($val); } // C# foreach (String val in array) { console.writeline(val); } // Python for val in array: print(val) So, yes, there is a "foreach" in python. It's called "for". What you're describing is an "array map" function. This could be ...
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Best way to add Activity to an Android project in Eclipse?

... a "changes to be performed" list. In this list you can see manifest file, strings.xml etc already checked. So, unless you uncheck them, it is added automatically – berkuqo Aug 16 '12 at 8:55 ...
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How to write file if parent folder doesn't exist?

...t the easiest way to do this is to use the outputFile() method from the fs-extra module. Almost the same as writeFile (i.e. it overwrites), except that if the parent directory does not exist, it's created. options are what you'd pass to fs.writeFile(). Example: var fs = require('fs-extra'); v...