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Drop multiple tables in one shot in mysql
...nd C. Then we can use the following syntax to drop all tables.
DROP TABLE IF EXISTS B,C,A;
This can be placed in the beginning of the script instead of individually dropping each table.
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What is the difference between UTF-8 and ISO-8859-1?
What is the difference between UTF-8 and ISO-8859-1 ?
8 Answers
8
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How to get the current date and time
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Please consider new Java8 APIs - LocalDateTime.now() and ZonedDateTime.now()
– Oleg Mikheev
Dec 9 '14 at 6:36
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Add timestamps to an existing table
...add_column :users, :updated_at, :datetime, null: false, default: Time.zone.now. Time.zone.now is just an example, you should use whatever value makes sense for your logic.
– Delong Gao
Jul 30 '19 at 23:46
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What does “for” attribute do in HTML tag?
I wonder what is the difference between the following two code snippets:
6 Answers
6
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Import / Export database with SQL Server Server Management Studio
..., Tasks -> Generate Scripts...
Then follow the wizard.
For SSMS2008+, if you want to also export the data, on the "Set Scripting Options" step, select the "Advanced" button and change "Types of data to script" from "Schema Only" to "Data Only" or "Schema and Data".
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What is the purpose of XORing a register with itself? [duplicate]
...epresents the end of string in c/c++ and the shell code would be truncated if the mean of exploitation is a string processing function or the like.
Btw im referring to the original question: "Any reason to do a “xor eax, eax”?" not what the MSVC++ compiler does.
Since there's some debate in th...
How to add one day to a date? [duplicate]
... as java.util.Date, java.util.Calendar, and java.text.SimpleDateFormat are now legacy, supplanted by the java.time classes built into Java 8 and later. And the Joda-Time project is now in maintenance mode, with the team advising migration to the java.time classes.
– Basil Bourq...
Set custom HTML5 required field validation message
...(function (exports) {
function valOrFunction(val, ctx, args) {
if (typeof val == "function") {
return val.apply(ctx, args);
} else {
return val;
}
}
function InvalidInputHelper(input, options) {
input.setCustomValidity(valOrFunctio...
getting date format m-d-Y H:i:s.u from milliseconds
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You can readily do this this with the input format U.u.
$now = DateTime::createFromFormat('U.u', microtime(true));
echo $now->format("m-d-Y H:i:s.u");
This produces the following output:
04-13-2015 05:56:22.082300
From the PHP manual page for date formats:
U = Seconds sin...