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How long should SQL email fields be? [duplicate]
...
Some statistical data may shed some light on the issue. We analyzed a database with over 10 million Email addresses. These addresses are not confirmed so there are invalid ones. Here are some interesting facts,
The longest valid one is 89.
There are hundreds longer ones up to the limit of our col...
How to make an ImageView with rounded corners?
...anvas [vs xfermode and clippath methods]
I've created a RoundedImageView based off this code that wraps this logic into an ImageView and adds proper ScaleType support and an optional rounded border.
share
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Is it good style to explicitly return in Ruby?
..., another programmer (perhaps not that familiar with how Ruby does returns based on last line of code executed) comes along and wants to put in some print statements for logging, and the function becomes this...
def plus_one_to_y(x)
@y = x + 1
puts "In plus_one_to_y"
end
Now the function ...
How do I force a DIV block to extend to the bottom of a page even if it has no content?
...ere's not enough content to fill the available vertical browser viewport:
Demo at (drag the frame handle to see effect) : http://jsfiddle.net/NN7ky
(upside: clean, simple. downside: requires flexbox - http://caniuse.com/flexbox)
HTML:
<body>
<div class=div1>
div1<br>
...
How can I install pip on Windows?
...llation (C:\Python27\Scripts) or add that directory, as well as the Python base installation directory to your %PATH% environment variable.
Install pip using the newly installed setuptools: easy_install pip
The last step will not work unless you're either in the directory easy_install.exe is locat...
Remove unwanted parts from strings in a column
....
If you are satisfied with the succinct and readable str
accessor-based solutions above, you can stop here. However, if you are
interested in faster, more performant alternatives, keep reading.
Optimizing: List Comprehensions
In some circumstances, list comprehensions should be favo...
How to find the operating system version using JavaScript?
...er 2020 the new Edge gets detected. So 'Microsoft Edge' is the new version based on Chromium and the old Edge is now detected as 'Microsoft Legacy Edge'!
/**
* JavaScript Client Detection
* (C) viazenetti GmbH (Christian Ludwig)
*/
(function (window) {
{
var unknown = '-';
//...
How exactly does a generator comprehension work?
...narios where you need to take one item at a time, do a lot of calculations based on that item, and then move on to the next item. If you need more than one value, you can also use a generator expression and grab a few at a time. If you need all the values before your program proceeds, use a list com...
Change Oracle port from port 8080
...like DBMS_XDB is deprecated with Oracle 12c, heads up docs.oracle.com/database/121/ARPLS/d_xdb.htm#ARPLS371
– Scott Markwell
Apr 25 '16 at 17:46
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Purpose of memory alignment
... take eight. Because of the slow memory interface, execution time on 8088-based machines is usually dominated by instruction fetches. An instruction like "MOV AX,BX" is nominally one cycle faster than "XCHG AX,BX", but unless it is preceded or followed by an instruction whose execution takes more ...