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Why is a round-trip conversion via a string not safe for a double?
Recently I have had to serialize a double into text, and then get it back. The value seems to not be equivalent:
3 Answers
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Why is semicolon allowed in this python snippet?
...needs this semi-colon thing, but somebody thought it would be nice to have and added it to the language.
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Can a Windows batch file determine its own file name?
...st the filename without the extension.
Write %~n0%~x0 to get the filename and extension.
Also possible to write %~nx0 to get the filename and extension.
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GUI not working after rewriting to MVC
...similar principles. Note that the Model manages a single Piece, chosen at random. In response to a user's selection, the View invokes the check() method, while listening for a response from the Model via update(). The View then updates itself using information obtained from the Model. Similarly, the...
Passing command line arguments from Maven as properties in pom.xml
Is it possible to pass arguments from command line to properties in pom.xml file ?
for example I run mvn ... argument
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encryption/decryption with multiple keys
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GnuPG does multi-key encryption in standard.
The following command will encrypt doc.txt using the public key for Alice and the public key for Bob. Alice can decrypt using her private key. Bob can also decrypt using his private key.
gpg --encrypt --recipient al...
What is “thread local storage” in Python, and why do I need it?
...on-local variables (because each function call gets its own set of locals, and threads are always separate function calls.) And even then, only the variables themselves (the names that refer to objects) are local to the function; objects themselves are always global, and anything can refer to them.
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Count, size, length…too many choices in Ruby?
I can't seem to find a definitive answer on this and I want to make sure I understand this to the "n'th level" :-)
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How to perform Callbacks in Objective-C
... of the selector.
Next you have some object be the delegate of "MyClass" and MyClass calls the delegate methods on the delegate as appropriate. If your delegate callbacks are optional, you'll typically guard them at the dispatch site with something like "if ([delegate respondsToSelector:@selector(...
Why does git-rebase give me merge conflicts when all I'm doing is squashing commits?
...with over 400 commits, the first couple dozen of which were a lot of trial-and-error. We want to clean up these commits by squashing many down into a single commit. Naturally, git-rebase seems the way to go. My problem is that it ends up with merge conflicts, and these conflicts are not easy to reso...