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How to capture UIView to UIImage without loss of quality on retina display
... UIGraphicsBeginImageContextWithOptions (as documented on this page). Pass 0.0 for scale (the third argument) and you'll get a context with a scale factor equal to that of the screen.
UIGraphicsBeginImageContext uses a fixed scale factor of 1.0, so you're actually getting exactly the same image on ...
Why do I need 'b' to encode a string with Base64?
...s 8-bit binary byte data and encodes it uses only the characters A-Z, a-z, 0-9, +, /* so it can be transmitted over channels that do not preserve all 8-bits of data, such as email.
Hence, it wants a string of 8-bit bytes. You create those in Python 3 with the b'' syntax.
If you remove the b, it be...
Must qualify the allocation with an enclosing instance of type GeoLocation
...
150
Hi I found a solution for this ;-)
This error happens because you're trying to create an inst...
Shell script to delete directories older than n days
...
401
This will do it recursively for you:
find /path/to/base/dir/* -type d -ctime +10 -exec rm -rf ...
How to select a single field for all documents in a MongoDB collection?
In my MongoDB, I have a student collection with 10 records having fields name and roll . One record of this collection is:
...
Creating an empty Pandas DataFrame, then filling it?
...
350
Here's a couple of suggestions:
Use date_range for the index:
import datetime
import pandas as...
How can I add a third button to an Android Alert Dialog?
... |
edited Aug 31 '14 at 20:29
jvperrin
3,28211 gold badge2020 silver badges3333 bronze badges
answered ...
Rounding a double to turn it into an int (java)
...
Drupad Panchal
38333 silver badges1010 bronze badges
answered Apr 16 '10 at 17:13
Mihir MathuriaMihir Mathuria
6,...
Checking user's homepage in Internet Explorer
...ow.external.isGoogleHomePage()
} catch (d) {
if (h(a)) return !0;
var c = google.promos.gpd(a, "mgmhp_hp_url");
c && g.push(c);
for (c = 0; c < g.length; c++) {
var k = g[c];
if (b = b || a.isHomePage(k)) return !0
}
...
Using jQuery how to get click coordinates on the target element
...pi.jquery.com/position/
HTML
<body>
<div id="A" style="left:100px;"> Default <br /> mouse<br/>position </div>
<div id="B" style="left:300px;"> offset() <br /> mouse<br/>position </div>
<div id="C" style="left:500px;"> positi...