... Oi crap. I read it the other way around, fail's on me. Sorry! – Kablam May 16 '12 at 8:20 ...

A good while ago, I read an article by the creator of viemu , clearing up a lot of the misconceptions about vi, as well as explaining why it's a good idea (and why it's been very popular for the last 30 years+). The same guy also has a great set of graphical cheat sheets that teach the basics a f...

....stat() is that you can stat() a file even if you don't have permission to read it. Obviously the seek/tell approach won't work unless you have read permission. Edit 2 At Jonathon's suggestion, here's a paranoid version. (The version above leaves the file pointer at the end of the file, so if you...

...rchased one has been signed by a Certificate Authority that your browser already knows about. In other words, your browser can easily validate the authenticity of a purchased certificate. Unfortunately this has led to a common misconception that self-signed certificates are inherently less secure t...

... If you're just wanting (semi) contiguous regions, there's already an easy implementation in Python: SciPy's ndimage.morphology module. This is a fairly common image morphology operation. Basically, you have 5 steps: def find_paws(data, smooth_radius=5, threshold=0.0001): dat...

...in(void) { void **mem = malloc(sizeof(char)*3); void *ptr; /* read past end */ ptr = (char*) mem[5]; /* write past end */ memcpy(mem[5], "whatever", sizeof("whatever")); /* free invalid pointer */ free((void*) mem[3]); return 0; } The code above can be co...

...ormation on how each of the major HTML5 tags can/should be used (I suggest reading the full source linked at the bottom): section – Used for grouping together thematically-related content. Sounds like a div element, but it’s not. The div has no semantic meaning. Before replacing all your di...

I'm reading the documentation of std::experimental::optional and I have a good idea about what it does, but I don't understand when I should use it or how I should use it. The site doesn't contain any examples as of yet which leaves it harder for me to grasp the true concept of this object. When...

...e "grep" with impunity on my pdf files. Since I can grep better than I can read, it's a win! (:-) Upvote. – David Elson Aug 8 '15 at 22:54 1 ...

...he java.time package which is finally a worthwhile Java standard solution! Read this article, Java SE 8 Date and Time, for a good amount of information on java.time outside of hours and minutes. In particular, look at the LocalDateTime class. Hours and minutes: LocalDateTime.now().getHour(); Loc...