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Qt events and signal/slots
...resents a new abstraction: a widget that acts like a button, but with some extra functionality. We added this functionality very conveniently:
Since we reimplemented a virtual, our implementation automatically became encapsulated in our class. If Qt's designers had made keyPressEvent a signal, we ...
Making 'git log' ignore changes for certain paths
...ath-match checks on individual paths under the directory would cause those extra paths to be filtered out, the only difference from using the wrong function was unnecessary computation.
The second of those bad calls to do_match_pathspec() was involved -- via either direct movement or via copying+edi...
Bash tool to get nth line from a file
...he trick, but I've been wondering if there's a Bash tool that specifically extracts a line (or a range of lines) from a file.
...
How to use the “required” attribute with a “radio” input field
...efault way of its appearance. You can follow these steps. This is just for extra info if you have any intention to modify the default behavior.
Add the following into you .css file.
/* style all elements with a required attribute */
:required {
background: red;
}
For more information you can r...
Private vs Protected - Visibility Good-Practice Concern [closed]
... sure.
There are two cases you want to extend a class:
You want to add extra functionality to a base class
You want to modify existing class that's outside the current package (in some libraries perhaps)
There's nothing wrong with private fields in the first case. The fact that people are abus...
What is the difference between 'classic' and 'integrated' pipeline mode in IIS7?
...mply say that in Classic mode IIS 7.x works just as IIS 6 and you dont get extra benefits out of IIS 7.x features.
In integrated mode IIS and ASP.Net are tightly coupled rather then depending on just two DLLs on Asp.net as in case of classic mode.
...
How to add a custom right-click menu to a webpage?
...ated by yourself is third party. jQuery really isn't all that bloated with extra stuff. Not to the degree that it would slow anything down. It's very useful and the same jQuery used in this answer could easily be converted to standard JavaScript commands. It may not be 100% inline with the request i...
What does Docker add to lxc-tools (the userspace LXC tools)?
...based on LXC, I am very puzzled about my results.
– gextra
Nov 25 '13 at 14:40
7
It appears to me...
How can I plot with 2 different y-axes?
...otrix package automates this process, as does doubleYScale() in the latticeExtra package.
Another example (adapted from an R mailing list post by Robert W. Baer):
## set up some fake test data
time <- seq(0,72,12)
betagal.abs <- c(0.05,0.18,0.25,0.31,0.32,0.34,0.35)
cell.density <- c(0,10...
Install dependencies globally and locally using package.json
...cript called env.sh. But I prefer to use $(npm bin) directly, to avoid any extra file or setup.
Although it makes each call a little larger, it should just work, preventing:
potential dependency conflicts with global packages (@nalply)
the need for sudo
the need to set up an npm prefix (although ...