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What is the meaning of #XXX in code comments?
... @ЯрославРахматуллин in source code I would always read it in the "this is an ugly hack job, but seems to work well enough" sense - something you'd like to clean up later, but is not urgent. I've not used it (I typically use TODO or XXX instead), but that's how I would interp...
hasNext in Python iterators?
...
@LarsH: You mean e.g. an iterator that reads from a file that can be changed while reading from it? I agree that this can be a problem (which affects any library providing next() and hasNext() method, not just a hypothetical Python library). So yes, next() and has...
NodeJS: Saving a base64-encoded image to disk
...
this is my full solution which would read any base64 image format and save it in the proper format in the database:
// Save base64 image to disk
try
{
// Decoding base-64 image
// Source: http://stackoverflow.com/questions/20267939/n...
Cloning a MySQL database on the same MySql instance
... Kinda... it skips a lot of disk IO though as you don't have to read/write the data twice
– Greg
Mar 23 '09 at 21:39
8
...
What is the best way to force yourself to master vi? [closed]
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...
How can I improve my paw detection?
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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...
How are ssl certificates verified?
...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...
Disable double-tap “zoom” option in browser on touch devices
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Oi crap. I read it the other way around, fail's on me. Sorry!
– Kablam
May 16 '12 at 8:20
...
What does “zend_mm_heap corrupted” mean
...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...
How can I check file size in Python?
....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...