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How do I delete everything in Redis?
I want to delete all keys. I want everything wiped out and give me a blank database.
22 Answers
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Insert auto increment primary key to existing table
...a into the primary key column automatically (I already have 500 rows in DB and want to give them id but I don't want to do it manually). Any thoughts? Thanks a lot.
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What does the thread_local mean in C++11?
I am confused with the description of thread_local in C++11. My understanding is, each thread has unique copy of local variables in a function. The global/static variables can be accessed by all the threads (possibly synchronized access using locks). And the thread_local variables are visible to...
URLWithString: returns nil
...breaks if the URL has a # in it. stringByAddingPercentEscapesUsingEncoding converts # to %2
– Ali Saeed
Mar 2 '16 at 21:21
3
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Using sphinx with Markdown instead of RST
...er from scratch:
You could cheat and write a "parser" that uses Pandoc to convert markdown to RST and pass that to the RST parser :-).
You can use an existing markdown->XML parser and transform the result (using XSLT?) to the docutils schema.
You could take some existing python markdown parser...
Java - sending HTTP parameters via POST method easily
...;param2=b&param3=c";
byte[] postData = urlParameters.getBytes( StandardCharsets.UTF_8 );
int postDataLength = postData.length;
String request = "http://example.com/index.php";
URL url = new URL( request );
HttpURLConnection conn= (HttpURLConnection) url.openConnecti...
Remove commas from the string using JavaScript
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To remove the commas, you'll need to use replace on the string. To convert to a float so you can do the maths, you'll need parseFloat:
var total = parseFloat('100,000.00'.replace(/,/g, '')) +
parseFloat('500,000.00'.replace(/,/g, ''));
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Object-orientation in C
...It tries to keep minimal the available concepts for the sake of simplicity and flexibility: uniform object oriented programming including open classes, metaclasses, property metaclasses, generics, multimethods, delegation, ownership, exceptions, contracts and closures. There is a draft paper (PDF) ...
C++ mark as deprecated
...for this all I got was a Microsoft specific solution; #pragma deprecated and __declspec(deprecated) .
7 Answers
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How to keep onItemSelected from firing off on a newly instantiated Spinner?
...ple boolean flag would allow you to detect the rogue first selection event and ignore it.
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