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What are best practices for validating email addresses on iOS 2.0
...*\\.)+[a-z]{2,4}\\z";
NSString *regex2 = @"^(?=.{1,64}@.{4,64}$)(?=.{6,100}$).*";
NSPredicate *test1 = [NSPredicate predicateWithFormat:@"SELF MATCHES %@", regex1];
NSPredicate *test2 = [NSPredicate predicateWithFormat:@"SELF MATCHES %@", regex2];
return [test1 evaluateWithObject:ema...
How to round a number to significant figures in Python
... can use negative numbers to round integers:
>>> round(1234, -3)
1000.0
Thus if you need only most significant digit:
>>> from math import log10, floor
>>> def round_to_1(x):
... return round(x, -int(floor(log10(abs(x)))))
...
>>> round_to_1(0.0232)
0.02
&g...
How to make vi redraw screen?
...
In Vi both of these are redraw:
^R ( does not work with VT100 type terminals )
^L ( does not work with Televideo terminals )
From http://www.cs.rit.edu/~cslab/vi.html#A1.4 (dead link; see archive)
As noted in the comments Vim now uses ^R for redo and ^L alone for redraw.
...
Microsoft.WebApplication.targets was not found, on the build server. What's your solution?
...this answer pointed me to right direction. thanks!
– 100r
Jun 7 '16 at 9:41
add a comment
...
How do I remove a property from a JavaScript object?
...
100
Another alternative is to use the Underscore.js library.
Note that _.pick() and _.omit() bot...
How to determine an interface{} value's “real” type?
... w, ok := weird(7).(int); ok {
i += w
}
if w, ok := weird(-100).(int); ok {
i += w
}
fmt.Println("i =", i)
}
Output:
i = 49
It uses Type assertions.
share
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improv...
Why do Twitter Bootstrap tables always have 100% width?
...ootstrap 4 has some nice helper classes for width like w-25, w-50, w-75, w-100, and w-auto. This will make the table 50% width:
<table class="w-50"></table>
Here's the doc: https://getbootstrap.com/docs/4.0/utilities/sizing/
...
How can I embed a YouTube video on GitHub wiki pages?
...
+100
I created https://yt-embed.herokuapp.com/ to simplify this. The usage is direct, from the examples above:
[![Everything Is AWESOME]...
Pandas convert dataframe to array of tuples
...0))
tuple_comp iter_namedtuples iter_tuples records zipmap
100 2.905662 6.626308 3.450741 1.469471 1.000000
316 4.612692 4.814433 2.375874 1.096352 1.000000
1000 6.513121 4.106426 1.958293 1.000000 1.316303
3162 8.446...
Storing WPF Image Resources
... when debugging. Pack URIS: msdn.microsoft.com/en-au/library/aa970069(v=vs.100).aspx
– failedprogramming
Jul 7 '16 at 5:41
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