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How to handle floats and decimal separators with html5 input type number
...emonstrating that the adding of the step attribute makes it work, and also testing whether the current value is valid:
jsFiddle
TL;DR: Set the a step attribute to a floating-point value, because it defaults to 1.
NOTE: The comma doesn't validate for me, but I suspect that if I set my OS langua...
How to detect if a property exists on an ExpandoObject?
... is still current; don't take anyone's word for the price of reflection -- test it for yourself and see if you can afford it
– nik.shornikov
Jun 10 '13 at 23:24
1
...
How do you reverse a string in place in C or C++?
... *head = t; // swapping as we go
*tail = h;
}
}
// test program that reverses its args
#include <stdio.h>
int main(int argc, char **argv)
{
do {
printf("%s ", argv[argc-1]);
strrev(argv[argc-1]);
printf("%s\n", argv[argc-1]);
} while(--argc);
return...
Retrieve only static fields declared in Java class
...
You can do it like this:
Field[] declaredFields = Test.class.getDeclaredFields();
List<Field> staticFields = new ArrayList<Field>();
for (Field field : declaredFields) {
if (java.lang.reflect.Modifier.isStatic(field.getModifiers())) {
staticFields.add...
Handle spring security authentication exceptions with @ExceptionHandler
... the json myself from the AuthenticationEntryPoint and it works.
Just for testing I changed the AutenticationEntryPoint by removing response.sendError
@Component("restAuthenticationEntryPoint")
public class RestAuthenticationEntryPoint implements AuthenticationEntryPoint{
public void commence...
error: 'Can't connect to local MySQL server through socket '/var/run/mysqld/mysqld.sock' (2)' — Miss
...uch that whatever user mysqld is running as can read/write to it. An easy test is to open it up to full read/write and see if it still works:
chmod 777 /var/run/mysqld/mysqld.sock
If that fixes the issue, you can tailor the permissions and ownership of the socket as needed based on your securit...
How to make a flat list out of list of lists?
...
I tried a test with the same data, using itertools.chain.from_iterable : $ python -mtimeit -s'from itertools import chain; l=[[1,2,3],[4,5,6], [7], [8,9]]*99' 'list(chain.from_iterable(l))'. It runs a bit more than twice as f...
Find row where values for column is maximal in a pandas DataFrame
...nto unexpectedly missing data.
So you're left with hoping that your unit tests covered everything (they didn't, or more likely no one wrote any tests) -- otherwise (most likely) you're just left waiting to see if you happen to smack into this error at runtime, in which case you probably have to go...
How to replace a whole line with sed?
...our_file_here
This will go through and find any lines that pass the aaa= test, which means that the line contains the letters aaa=. Then it replaces the entire line with aaa=xxx. You can add a ^ at the beginning of the test to make sure you only get the lines that start with aaa= but that's up t...
Regular expression for a string containing one word but not another
...
FYI, check out regexr.com for a nice way to test these expressions out.
– Joshua Pinter
Apr 8 '14 at 14:23
...