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What does %s mean in a python format string?
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It is a string formatting syntax (which it borrows from C).
Please see "PyFormat":
Python supports formatting values into
strings. Although this can include
very complicated expressions, the most
basic usage is to insert values in...
In bash, how does one clear the current input?
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Press Ctrl-U to delete everything before the cursor. The deleted command will be stored into a buffer. Press Ctrl-Y to paste the deleted command.
(Optional: Press End or Ctrl-E to jump to the end of the input first.)
Alternatively, press Ctrl-C to abort what yo...
ipad safari: disable scrolling, and bounce effect?
I'm working on a browser based app, currently I'm developing and styling for the ipad safari browser.
18 Answers
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iOS 7 style Blur view
...mponents underneath it, but you could just as easily use a CIGaussianBlur for the same. GPUImage might be a hair faster though.
That component relies on you being able to capture the view behind the one you're presenting, though, and may have trouble with views that animate behind this content. The...
“Public key certificate and private key doesn't match” when using Godaddy issued certificate [closed
...dy SSL certificate on a new load balancer I'm setting up on Amazon AWS. I originally created the certificate at Godaddy using the keytool program for direct installation on a Glassfish 3.1 server (Amazon linux ami). I had no problems getting that setup directly on the server. I now need to move t...
RAII and smart pointers in C++
...ile file("/path/to/file");
// Do stuff with file
file.close();
In other words, we must make sure that we close the file once we've finished with it. This has two drawbacks - firstly, wherever we use File, we will have to called File::close() - if we forget to do this, we're holding onto the file l...
How to pretty print XML from Java?
I have a Java String that contains XML, with no line feeds or indentations. I would like to turn it into a String with nicely formatted XML. How do I do this?
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How to send email to multiple recipients using python smtplib?
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This really works, I spent a lot of time trying multiple variants.
import smtplib
from email.mime.text import MIMEText
s = smtplib.SMTP('smtp.uk.xensource.com')
s.set_debuglevel(1)
msg = MIMEText("""body""")
sender = 'me@example.com'
re...
Is CSS Turing complete?
... -webkit-appearance: none;
display: block;
float: left;
border-right: 1px solid #ddd;
border-bottom: 1px solid #ddd;
padding: 0px 3px;
margin: 0;
font-family: Consolas, "Courier New", monospace;
font-size: 7pt;
}
body > input::before {
content: "0...
Getting the error “Java.lang.IllegalStateException Activity has been destroyed” when using tabs with
...ode.I have 5 tabs and the content of each tab is handled using fragments. For tab2 though, I have a fragment the xml file of which holds a ViewPager element which in turn has some fragment pages. When I initially start the application the application, I am able to switch between tabs no problem but ...