TIL. abbreviation for today I learned
used in writing, for example on social media, before giving interesting new information
It is not logical at all at first sight. Sometimes GUIDS work as IDs for html tags, sometimes not. Today I learned why.
Read More »TIL: Do not use GUIDS as HTML-IDsTIL. abbreviation for today I learned
used in writing, for example on social media, before giving interesting new information
It may not happen all the time, but every now and then there are cases where a certain outcome is expected due to two or more variables. For example the help or validation text for variable min and max values. Until now I have solved this with these monstrous “if – else if” nestings:
Read More »TIL: Tuples and Pattern Matching in C# switch StatementsYou can feed this cat with many different things, but only a certain kind of file can endanger the cat.
Do you find that kind of files? And if yes, can you use it to disclose the flag?…
On the twelfth day of Christmas my true love sent to me…
twelve rabbits a-rebeling,
eleven ships a-sailing,
ten (twentyfourpointone) pieces a-puzzling,
and the rest is history.
You should definitely give Bread’s famous easy perfect fresh rosemary yeast black pepper bread a try this Christmas!…
Docker Linter is a useful web application ensuring that your Docker-related files follow best practices. Unfortunately, there’s a security issue in there…
This challenge requires a reverse shell. You can use the provided Web Shell or the VPN to solve this challenge (see RESOURCES on top).…
Santa has forgotten his password and can no longer access his data. While trying to read the hard disk from another computer he also destroyed an important file. To avoid further damage he made a backup of his home partition.…
Santa loves to keep his personal secrets on a little toy cube he got from a kid called Bread. Turns out that was not a very good idea. Last night Rudolph got hold of it and frubl’d it about five times before spitting it out.…
On the ninth day of Christmas my true love sent to me…
nineties style xls,
eighties style compression,
seventies style crypto,
and the rest has been said previously.
During their yearly season opening party our super-smart elves developed an improved usage of the well known RSA crypto algorithm. Under the “Green IT” initiative they decided to save computing horsepower (or rather reindeer power?) on their side.…
Since yesterday’s challenge seems to have been a bit on the hard side, we’re adding a small musical innuendo to relax.
My friend Chris from Florida sent me this score. Enjoy! Is this what you call postmodern?…