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How to access component methods from “outside” in ReactJS?
...eact/docs/refs-and-the-dom.html#adding-a-ref-to-a-class-component
Update 2019-04-01: Changed example to use a class and createRef per latest React docs.
Update 2016-09-19: Changed example to use ref callback per guidance from the ref String attribute docs.
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Using ls to list directories and their total sizes
... root 1.3M Feb 18 00:18 icons
drwxrwsr-x 2 localusr www 8.0K Dec 27 01:23 passwd
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How to retry after exception?
...zneakzneak
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31
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Convert UTC date time to local date time
From the server I get a datetime variable in this format: 6/29/2011 4:52:48 PM and it is in UTC time. I want to convert it to the current user’s browser time using JavaScript.
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Integer to hex string in C++
...w, size_t hex_len = sizeof(I)<<1) {
static const char* digits = "0123456789ABCDEF";
std::string rc(hex_len,'0');
for (size_t i=0, j=(hex_len-1)*4 ; i<hex_len; ++i,j-=4)
rc[i] = digits[(w>>j) & 0x0f];
return rc;
}
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Regular Expression to reformat a US phone number in Javascript
... function.
– Matt K
Dec 2 '11 at 15:01
2
A nice lesson in how to approach a problem. I was trying...
Remove DEFINER clause from MySQL Dumps
...e different?
– Alex
Jan 8 '19 at 13:01
1
The manpage for sed on mac says this: -i extension "Edi...
UITextView style is being reset after setting text property
...setText:
– Rollin_s
Oct 7 '13 at 19:01
8
Wow, what a ridiculous bug. Thanks for the insight!
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Multiple glibc libraries on a single host
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answered Jun 22 '17 at 23:01
msbmsb
2,38011 gold badge2424 silver badges3535 bronze badges
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How can we match a^n b^n with Java regex?
...peat('b', 5000), // true
repeat('a', 5000) + repeat('b', 5001), // false
};
for (String test : tests) {
System.out.printf("[%s]%n %s%n%n", test, test.matches(aNbN));
}
}
static String repeat(char ch, int n) {
return new String(new ...