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HTML table headers always visible at top of window when viewing a large table
... you have more than one table in the same page: the th element of each one starts to be sticky when its top position is the one indicated into the css definition and just disappear when all the table scrolls down. So if there are more tables all work beautifully the same way.
Why to use last-child ...
CSS does the width include the padding?
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Do you have a doctype declared? When I started coding html I had this problem, and it was from not having a doctype declared. My favorite is:
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
"http://www.w3.org/TR/xhtml1/DTD/xhtml1-transiti...
Which data type for latitude and longitude?
...head like an SRID in there. These types store (long/lat), not (lat/long).
Start reading the PostGIS manual here.
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What is Linux’s native GUI API?
...n the card understands.
As of 2013, a new window system called Wayland is starting to become usable, and many distributions have said they will at some point migrate to it, though there is still no clear schedule. This system is based on OpenGL/ES API, which means that in the future OpenGL will be ...
How does this checkbox recaptcha work and how can I use it?
...t one site will got throught (and this is true for any kind of capthas). I started my post with most bots and not all bots. There are also solutions when the image based captcha breaker simply sends the image to a software and a human types in the characters (and the employe is payed by the count of...
What is move semantics?
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I find it easiest to understand move semantics with example code. Let's start with a very simple string class which only holds a pointer to a heap-allocated block of memory:
#include <cstring>
#include <algorithm>
class string
{
char* data;
public:
string(const char* p)
...
REST URI convention - Singular or plural name of resource while creating it
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Plural
Simple - all urls start with the same prefix
Logical - orders/ gets an index list of orders.
Standard - Most widely adopted standard followed by the overwhelming majority of public and private APIs.
For example:
GET /resources - returns ...
Python multiprocessing PicklingError: Can't pickle
...ind out more about the problem, I suggest make a copy of your program, and start paring it down, making it simpler and simpler, each time re-running the program to see if the problem remains. When it becomes really simple, you'll either have discovered the problem yourself, or will have something wh...
How to commit no change and new message?
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I've started to follow the git flow branch model. When you make a dev branch form master and then a feat branch immediately from dev, the feat branch looks to come from the master branch as there is no distinguishing commit on the...
How do I call one constructor from another in Java?
.... In particular, the type of the object is its "final" type right from the start - so if you call any virtual methods from constructors, you'll get the most-specific override called. I believe this differs from C++.
– Jon Skeet
Feb 9 '16 at 19:06
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