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Why is String immutable in Java?
... is not applicable. *** Example - Name one technique to attack the DB of a web app --> SQL Injection. Do you know any techniques like this for attacking the references ?
– MasterJoe
Jul 25 '18 at 17:31
...
PostgreSQL: Is it better to use multiple databases with one schema each, or one database with multip
...f you really want to keep things very separate (instead of refactoring the web application so that a "customer" column is added to your tables), you may still want to use separate databases: I assert that you can more easily make restores of a particular customer's database this way -- without distu...
Is it correct to use JavaScript Array.sort() method for shuffling?
... depending on the comparison of a and b. (developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/…)
– LarsH
Apr 8 '17 at 11:41
...
When to add what indexes in a table in Rails
...of the database, and the nature of your query. If the query comes from the web I would probably say YES, because it's always better to get fast responses, if it is for a background job and you need to save disk space you don't need to set it, but if the disk space is not an issue I would add an inde...
Is GridFS fast and reliable enough for production?
I develop a new website and I want to use GridFS as storage for all user uploads, because it offers a lot of advantages compared to a normal filesystem storage.
...
Verify a certificate chain using openssl verify
...ificate files are correct before you try to install them in the productive web service. This recipe here performs exactly this pre-flight-check.
Please note that the answer of Peter is correct, however the output of openssl -verify is no clue that everything really works afterwards. Yes, it migh...
Setting PayPal return URL and making it auto return?
....
Under the Selling Online section, click the Update link in the row for Website Preferences.
The Website Payment Preferences page appears
Under Auto Return for Website Payments, click the On radio button to enable Auto
Return.
In the Return URL field, enter the URL to which you want you...
How can I display just a portion of an image in HTML/CSS?
...at.
div.container {
display: inline-block;
}
#rectangular {
-webkit-clip-path: inset(30px 10px 30px 10px);
clip-path: inset(30px 10px 30px 10px);
}
#circle {
-webkit-clip-path: circle(75px at 50% 50%);
clip-path: circle(75px at 50% 50%)
}
#ellipse {
-webkit-clip-path: e...
OS detecting makefile
...t an example you may not need, but this may help someone searching (on the web) a way to implement a Makefile for both platforms ;-) What should I change in my answer? Cheers
– olibre
Feb 11 '13 at 8:59
...
PHP $_SERVER['HTTP_HOST'] vs. $_SERVER['SERVER_NAME'], am I understanding the man pages correctly?
... sent to the other domain.
Either way, you just need to be sure that your webapp will only ever respond for known-good domains. This can be done either (a) with an application-side check like Gumbo's, or (b) by using a virtual host on the domain name(s) you want that does not respond to requests th...