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java.sql.SQLException: Incorrect string value: '\xF0\x9F\x91\xBD\xF0\x9F…'
...orry about converting characters or
losing data when upgrading utf8 data from older versions of MySQL.
So to support these characters, your MySQL needs to be 5.5+ and you need to use utf8mb4 everywhere. Connection encoding needs to be utf8mb4, character set needs to be utf8mb4 and collaction nee...
Capturing Ctrl-c in ruby
...comes in, it raises Interrupt. Since both SystemExit and Interrupt derive from Exception, your exception handling is stopping the exit or interrupt in its tracks. Here's the fix:
Wherever you can, change
rescue Exception => e
# ...
end
to
rescue StandardError => e
# ...
end
for t...
Does it make sense to do “try-finally” without “catch”?
...ed up appropriately. Below is a concrete example of handling the exception from a calling method.
public void yourOtherMethod() {
try {
yourMethod();
} catch (YourException ex) {
// handle exception
}
}
public void yourMethod() throws YourException {
try {
...
Timeout jQuery effects
...e new feature added to jQuery is that there's a notable chain of influence from this answer to bugs.jquery.com/ticket/4102 =P
– Kent Fredric
Oct 31 '11 at 23:21
add a comment...
How to use sed/grep to extract text between two words?
...e occurrences of Here and string, you can choose whether you want to match from the first Here and last string or match them individually. In terms of regex, it is called as greedy match (first case) or non-greedy match (second case)
$ echo 'Here is a string, and Here is another string.' | grep -oP...
Order data frame rows according to vector with specific order
...actly the same elements as df$name, and neither contain duplicate values.
From ?match:
match returns a vector of the positions of (first) matches of its first argument
in its second.
Therefore match finds the row numbers that matches target's elements, and then we return df in that order.
...
How to write to a file, using the logging Python module?
...
Taken from the "logging cookbook":
# create logger with 'spam_application'
logger = logging.getLogger('spam_application')
logger.setLevel(logging.DEBUG)
# create file handler which logs even debug messages
fh = logging.FileHandler...
Including another class in SCSS
...e in the example above .myclass is not used anywhere else(I suppose) apart from .myotherclass, then it's better to have .myclass defined as %myclass and extended in .myotherclass as @extend %myclass;. It will generate as .myotherclass{ font-weight: bold; font-size: 90px; color: #000000; }
...
使用 XML 和 Web 服务 · App Inventor 2 中文网
... can decode the result with XMLTextDecode. Then extract the desired items from the resulting list, using the list operation block lookup in pairs. Here’s an example.
Unfortunately, the example below does not work anymore, because Underground Weather is discontinued. As an alternative, Openweat...
How to find unused/dead code in java projects [closed]
...anguage which could do MUCH better. With a staticly typed language (aside from reflection) you can know for sure exactly which methods are used and which are not, this is one of the biggest advantages of a statically typed language and you should use it rather than the fallable method as described ...