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How to convert java.util.Date to java.sql.Date?
... database. Use a JDBC driver compliant with JDBC 4.2 or later. No need for strings, no need for java.sql.* classes. Hibernate 5 & JPA 2.2 support java.time.
Where to obtain the java.time classes?
Java SE 8, Java SE 9, Java SE 10, Java SE 11, and later - Part of the standard Java API with a bun...
How to design a product table for many kinds of product where each product has many parameters
...e table for Products, storing attributes common to all product types. One extra column stores a BLOB of semi-structured data, in XML, YAML, JSON, or some other format. This BLOB allows you to store the attributes specific to each product type. You can use fancy Design Patterns to describe this, s...
Access lapply index names inside FUN
...vector instead of the vector itself.
But note that you can always pass in extra arguments to the function, so the following works:
x <- list(a=11,b=12,c=13) # Changed to list to address concerns in commments
lapply(seq_along(x), function(y, n, i) { paste(n[[i]], y[[i]]) }, y=x, n=names(x))
He...
Setting environment variables for accessing in PHP when using Apache
...
in xampp on windows the file will be C:\xampp\apache\conf\extra\httpd-vhosts.conf
– Dung
Apr 3 '17 at 19:09
...
How to deal with page breaks when printing a large HTML table
...nge it to page-break-after:auto.
It will break correctly and not create an extra blank page.
<html>
<head>
<style>
@media print
{
table { page-break-after:auto }
tr { page-break-inside:avoid; page-break-after:auto }
td { page-break-inside:avoid; page-break-after:auto }...
Why should the “PIMPL” idiom be used? [duplicate]
...
@Rob, I'm guessing there very little overhead to this. An extra class, but there is very little to them. Just a thin wrapper around the existing class. Someone correct me if I'm wrong, but the memory usage would just be an extra function table in RAM, a pointer to the pimpl and a re...
Why is a boolean 1 byte and not 1 bit of size?
...Obviously, such a pointer would not be convertible to void* because of the extra storage requirement for the bit number.
– Maxim Egorushkin
Jan 7 '11 at 17:10
...
How to trick an application into thinking its stdout is a terminal, not a pipe
...ript command does what we want...
script --return --quiet -c "[executable string]" /dev/null
Does the trick!
Usage:
script [options] [file]
Make a typescript of a terminal session.
Options:
-a, --append append the output
-c, --command <command> run command rathe...
Difference between “git add -A” and “git add .”
.... and by doing that it makes his life easier even after accounting for the extra mental tax added to ensure that there're no sync problems? I wonder why Git doesn't furthur split add -u into two separate commands add -u1 and add-u2 whereby one works for files starting with numerals and the other for...
How can I run a PHP script in the background after a form is submitted?
...y notification process that happens (or doesn't). (shell_exec returns as a string and this was easier than using exec, assigning the output to a variable and then opening a file to write to.)
I'm using the following line to invoke the email script:
shell_exec("/path/to/php /path/to/send_notificati...