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Get form data in ReactJS
...
There are a few ways to do this:
1) Get values from array of form elements by index
handleSubmit = (event) => {
event.preventDefault();
console.log(event.target[0].value)
}
2) Using name attribute in html
handleSubmit = (event) => {
event.preventDefault();...
Are there any JavaScript static analysis tools? [closed]
... JSLint is the best place to start. Note that JavaScript Lint is distinct from JSLint. I’d also suggest checking out JSure, which in my limited testing did better than either of them, though with some rough edges in the implementation—the Intel Mac version crashed on startup for me, though the...
How to loop through all but the last item of a list?
...nts in the sequence pair wise, use this approach (the pairwise function is from the examples in the itertools module).
from itertools import tee, izip, chain
def pairwise(seq):
a,b = tee(seq)
b.next()
return izip(a,b)
for current_item, next_item in pairwise(y):
if compare(current_...
How to limit google autocomplete results to City and Country only
...
check this code right from google. they made a filtering example code.google.com/apis/maps/documentation/javascript/…
– UnLoCo
Nov 26 '11 at 22:37
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Why does typeof array with objects return “object” and not “array”? [duplicate]
...ex, yes, the other can give you false if you're checking an array you got from an <iframe>.
– gdoron is supporting Monica
Feb 13 '14 at 19:45
6
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Forward an invocation of a variadic function in C
...'macro magic', but you are guaranteed that calling the v... style function from a variadic function like this will work:
#include <stdarg.h>
int m_printf(char *fmt, ...)
{
int ret;
/* Declare a va_list type variable */
va_list myargs;
/* Initialise the va_list variable with...
How to initialize HashSet values by construction?
...would actually return the unmodifiable set introduced in Java 9 as evident from the statement set -> (Set<T>)Set.of(set.toArray()) in the source code.
One point to note is that the method Collections.unmodifiableSet() returns an unmodifiable view of the specified set (as per documentation)...
What does [STAThread] do?
...the threading model works at the CLR level, see this MSDN Magazine article from June 2004 (Archived, Apr. 2009).
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Fast way to get image dimensions (not filesize)
...ions also PPM, WEBP), and does only read the header.
The identify command (from ImageMagick) prints lots of image information for a wide variety of images. It seems to restrain itself to reading the header portion (see comments). It also has a unified output which file sadly lacks.
exiv2 gives you d...
Strange out of memory issue while loading an image to a Bitmap object
... the image preview (load an image off the SD card) the application returns from the activity back to the listview activity to the result handler to relaunch my new activity which is nothing more than an image widget.
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