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When restoring a backup, how do I disconnect all active connections?
...the single_user with rollback mode prevent new connections during the wait time? If so, I wonder if it's a cleaner/nicer way to at least let read-only actions complete rather then end them abruptly?
– Jason
Feb 8 '18 at 16:01
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Remove last character from C++ string
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Simple solution if you are using C++11. Probably O(1) time as well:
st.pop_back();
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How can I change Mac OS's default Java VM returned from /usr/libexec/java_home
...hanged, and you can't have two different public JREs installed at the same time.
Edit: I've had a look at VisualVM specifically, assuming you're using the "application bundle" version from the download page, and this particular app is not an AppBundler application, instead its main executable is ...
CSS: How do I auto-resize an image to fit a 'div' container?
...n exporting an SVG file, so you will have to manually edit your file every time you export, or write a script to do it.
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How to determine if Javascript array contains an object with an attribute that equals a given value?
...loop as soon as you find what you're looking for to minimize computational time.
var found = false;
for(var i = 0; i < vendors.length; i++) {
if (vendors[i].Name == 'Magenic') {
found = true;
break;
}
}
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Jquery select all elements that have $jquery.data()
...esn't work very well. Check this jsfiddle and you will see that the second time the selector is called it should match 2 elements and is only matching one. This is due to "a bug" in the jquery-ui library.
This is taken from the core jquery-ui file.
$.extend( $.expr[ ":" ], {
data: $.expr.cre...
What is a good reason to use SQL views?
...choices for the roll-out:
1) Cold Turkey - Change the DB, and at the same time, change, test and release numerous pieces of code which contained said query. VERY hard to do (or even coordinate), very risky. Bad.
2) Gradual - change the DB by creating the T_NEW table, dropping the T_OLD table and i...
Why is `std::move` named `std::move`?
...posed to a prvalue. And it is also true that having a cast named move sometimes confuses people. However the intent of this naming is not to confuse, but rather to make your code more readable.
The history of move dates back to the original move proposal in 2002. This paper first introduces the ...
How to display PDF file in HTML?
... desktop and mobile browser
Cons:
25MB file limit
Requires additional time to download viewer
3. Other solutions to embed PDF:
https://mozilla.github.io/pdf.js
https://pdfobject.com
https://viewerjs.org
IMPORTANT NOTE:
Please check the X-Frame-Options HTTP response header. It should ...
How can I verify a Google authentication API access token?
...hat you can validate the token without the need to contact the issuer everytime. You must check the id and verify the signature of the token with the known public key of the certificate google used to sign the token.
See the next post why and how to do this.
http://ncona.com/2015/02/consuming-a-g...