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Multiple commands in gdb separated by some sort of delimiter ';'?

...rinted a backtrace, but it doesn't. You can accomplish the same thing by calling into the Python interpreter. python import gdb ; print(gdb.execute("s")) ; print(gdb.execute("bt")) It's possible to wrap this up into a dedicated command, here called "cmds", backed by a python definition. Here's a...
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How do you Encrypt and Decrypt a PHP String?

... You may also use GCM (which removes the need for a separate MAC). Additionally, ChaCha20 and Salsa20 (provided by libsodium) are stream ciphers and do not need special modes. Unless you chose GCM above, you should authenticate the ciphertext with HMAC-SHA-256 (or, for the stream ciphers, Poly1305 -...
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A migration to add unique constraint to a combination of columns

... Nope, it's all good. My bad! The unique constraint comes with the unique index. – Paul Cantrell Aug 24 '11 at 16:34 ...
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Bash ignoring error for a particular command

...en using set -e and trying to capture an error message: e.g.set -e; TEST=$(foo 2>&1 || true); echo $TEST – Spanky Oct 6 '16 at 18:30 ...
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Convert a Git folder to a submodule retrospectively?

...d after a while it becomes clear that some component of the project is actually useful as a standalone component (a library, perhaps). If you've had that idea from early on, then there's a fair chance that most of that code is in its own folder. ...
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How to compare two dates?

... @Emadpres: imagine this was typed manually. The past line was typed first, while the present line was typed second... so the past line was entered first, so past < present is True. – ramcdougal Mar 20 '17 at 15:50 ...
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Get Image size WITHOUT loading image into memory

... As the comments allude, PIL does not load the image into memory when calling .open. Looking at the docs of PIL 1.1.7, the docstring for .open says: def open(fp, mode="r"): "Open an image file, without loading the raster data" There ar...
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Check if all elements in a list are identical

... = next(iterator) except StopIteration: return True return all(first == rest for rest in iterator) One-liner: def checkEqual2(iterator): return len(set(iterator)) <= 1 Also one-liner: def checkEqual3(lst): return lst[1:] == lst[:-1] The difference between the 3 versi...
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Easy pretty printing of floats in python?

... It's an old question but I'd add something potentially useful: I know you wrote your example in raw Python lists, but if you decide to use numpy arrays instead (which would be perfectly legit in your example, because you seem to be dealing with arrays of numbers), there is ...
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Why does 'continue' behave like 'break' in a Foreach-Object?

...each that helps to make this conversion easy and make mistakes easy, too). All continues should be replaced with return. P.S.: Unfortunately, it is not that easy to simulate break in ForEach-Object. share | ...