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Is there any downside for using a leading double slash to inherit the protocol in a URL? i.e. src=“/
...o load from https:// from secure order pages and http:// from other pages, based on the current URL. I found that starting the URL with a double slash inherits the current protocol. Do all browsers support this technique?
...
How to customize the background color of a UITableViewCell?
...s displayed. This method
gives the delegate a chance to
override state-based properties set
earlier by the table view, such as
selection and background color. After
the delegate returns, the table view
sets only the alpha and frame
properties, and then only when
animating rows as the...
Why use AJAX when WebSockets is available?
... existing ecosystem of tools, technologies, security mechanisms, knowledge bases (i.e. far more people on stackoverflow know HTTP/Ajax/Comet than WebSockets), etc.
On the other hand, if you are creating a new application that just doesn't work well within the latency and connection constraints of H...
Bootstrap 3 Navbar Collapse
...ow: hidden!important;
}
}
Just change 991px by 1199px for md sizes.
Demo
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How do I run Redis on Windows?
... You'll be happy to try this one. It works (on my Windows 2008 R2 64bit server at least). Takes you 5 minutes.
– Christiaan Westerbeek
May 25 '14 at 9:23
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How to disable GCC warnings for a few lines of code
...pragma directive.
Downside: It's almost a tactical nuke, as it works line-based instead of declaration-based.
The _Pragma operator was introduced in C99.
#pragma directive.
We could change the source code to suppress the warning for a region of code, typically an entire function:
#include <s...
performSelector may cause a leak because its selector is unknown
...uments these methods as "inherently unsafe"
The idea of sending messages based on a named selector is not, however, an "inherently unsafe" feature. This idea has been used successfully for a long time in Objective-C as well as many other programming languages.
1 All Objective-C methods have two...
Find the nth occurrence of substring in a string
...e most prominent approaches presented so far, namely @bobince's findnth() (based on str.split()) vs. @tgamblin's or @Mark Byers' find_nth() (based on str.find()). I will also compare with a C extension (_find_nth.so) to see how fast we can go. Here is find_nth.py:
def findnth(haystack, needle, n):...
Ansible: Set variable to file content
...suggesting it)
vars:
amazon_linux_ami: "ami-fb8e9292"
user_data_file: "base-ami-userdata.sh"
tasks:
- name: Load data
slurp:
src: "{{ user_data_file }}"
register: slurped_user_data
- name: Decode data and store as fact # You can skip this if you want to use the right hand side directly.....
Get Root Directory Path of a PHP project
... when you have two levels of directories. Right? I mean, when call it from base_project_directory/folder1/folder2/folder3/file.php it doesn't return the base_project_directory.
– Ali Khalili
Apr 12 '19 at 15:03
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