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What does void* mean and how to use it?
...ne commonly cited example is the library function qsort:
void qsort(void *base, size_t nmemb, size_t size,
int (*compar)(const void *, const void *));
base is the address of an array, nmemb is the number of elements in the array, size is the size of each element, and compar is a point...
How to set default values in Rails?
...g .allocate was about model objects loaded with existing data from the database. (And it's a terrible idea for ActiveRecord to work that way, IMO. But that's beside the point.)
– SFEley
Mar 10 '11 at 7:55
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Cross-thread operation not valid: Control accessed from a thread other than the thread it was create
...on properly.
Situation is this: I want to load data into a global variable based on the value of a control. I don't want to change the value of a control from the child thread. I'm not going to do it ever from a child thread.
So only accessing the value so that corresponding data can be fetched from...
Adding HTML entities using CSS content
...0 × 160). You will find that in the Unicode Code Charts and Character Database.
In CSS you need to use a Unicode escape sequence for such characters, which is based on the hexadecimal value of the code point of a character. So you need to write
.breadcrumbs a:before {
content: '\a0';
}
This w...
Matplotlib: draw grid lines behind other graph elements
...unclear how to apply andrew cooke's answer, so this is a complete solution based on that:
ax.set_axisbelow(True)
ax.yaxis.grid(color='gray', linestyle='dashed')
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Programmatically set the initial view controller using Storyboards
...our target and the Info tab. There clear the value of Main storyboard file base name. On the General tab, clear the value for Main Interface. This will remove the warning.
Create the window and desired initial view controller in the app delegate's application:didFinishLaunchingWithOptions: method:
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How can I scale an entire web page with CSS?
...te: I think the other solutions that have been proposed - such as em and % based scaling - are more "pure" but aren't necessarily practical on most web layouts unless you've built that way from scratch.
– Jon Galloway
Jul 22 '09 at 0:36
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Select arrow style change
...ght: 2rem;
}
If you need it to also work in IE update the svg arrow to base64 and add the following:
select::-ms-expand { display: none; }
background-image: url(data:image/svg+xml;base64,PHN2ZyBmaWxsPSdibGFjaycgaGVpZ2h0PScyNCcgdmlld0JveD0nMCAwIDI0IDI0JyB3aWR0aD0nMjQnIHhtbG5zPSdodHRwOi8vd3d3Lnc...
How to use git with gnome-keyring integration
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Probably, this should be a comment on any gnome-keyring based answer here.
– Murmel
Aug 7 '19 at 7:28
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How to create multiple directories from a single full path in C#?
... for help, clarification, or responding to other answers.Making statements based on opinion; back them up with references or personal experience.To learn more, see our tips on writing great answers.
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