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Vertically align an image inside a div with responsive height
...time:
Vertical Alignment
1) In this approach, we create an inline-block (pseudo-)element as the first (or last) child of the parent, and set its height property to 100% to take all the height of its parent.
2) Also, adding vertical-align: middle keeps the inline(-block) elements at the middle of ...
How to limit the maximum value of a numeric field in a Django model?
...e I think about this, I realize how useful this would be for many Django apps. Perhaps a IntegerRangeField type could be submitted as a patch for the Django devs to consider adding to trunk.
This is working for me:
from django.db import models
class IntegerRangeField(models.IntegerField):
def...
Difference between wait() and sleep()
...call sleep on Thread.
Yet another point is that you can get spurious wakeups from wait (i.e. the thread which is waiting resumes for no apparent reason). You should always wait whilst spinning on some condition as follows:
synchronized {
while (!condition) { mon.wait(); }
}
...
What are five things you hate about your favorite language? [closed]
..., and there should be methods such as Acquire which return disposable lock tokens. Corollary: there shouldn't be a monitor for every object.
GetHashCode() and Equals() shouldn't be in System.Object - not everything's suitable for hashing. Instead, have an IdentityComparer which does the same thing, ...
How can I get the list of files in a directory using C or C++?
...around dirent (POSIX) and FindFirstFile (Windows) , while dirent.h just wraps dirent for windows. I think it is a personal taste, but dirent.h feels more as a standard
– Peter Parker
May 20 '13 at 19:13
...
When should I use Write-Error vs. Throw? Terminating vs. non-terminating errors
...on-recoverable situations and by expressions in which a .NET exception / a PS runtime error occurs; only the statement is terminated, and script execution continues by default.
script-terminating errors (more accurately: runspace-terminating), as either triggered by Throw or by escalating one of the...
How to autosize a textarea using Prototype?
.../Initial on load
</script>
</body>
</html>
PS: Obviously this JavaScript code is very naive and not well tested, and you probably don't want to use it on textboxes with novels in them, but you get the general idea.
...
When should I use a NoSQL database instead of a relational database? Is it okay to use both on the s
... This may good for storing people who are online in instant messaging app, tokens in db, logging web site traffic stats.
Performing Geolocation Operations:
MongoDB hash rich support for doing GeoQuerying & Geolocation operations.
I really loved this feature of MongoDB.
In nutshell, MongoDB is ...
Media Queries: How to target desktop, tablet, and mobile?
...d) */ }
@media (min-width:801px) { /* tablet, landscape iPad, lo-res laptops ands desktops */ }
@media (min-width:1025px) { /* big landscape tablets, laptops, and desktops */ }
@media (min-width:1281px) { /* hi-res laptops and desktops */ }
Edit: Refined to work better with 960 grids:
@media (min-...
Get list of passed arguments in Windows batch script (.bat)
...name of the script (d:\scripts\some-batch.bat)
More info examples at https://www.ss64.com/nt/syntax-args.html and https://www.robvanderwoude.com/parameters.html
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