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Why are joins bad when considering scalability?
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...except in MySQL, which seems to have performance problems with large numbers of joins regardless of how your indexes look. Or at least it has in the past.
– Powerlord
Apr 12 '10 at 17:53
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Mac zip compress without __MACOSX folder?
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To apply to all zip files under some root: find ~ -type f -name '*.zip' -exec zip -d '{}' __MACOSX/\* \;. Substitute your starting point for ~.
– Chris Johnson
Jun 27 '17 at 12:05
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Trust Anchor not found for Android SSL Connection
...ated cert, but for one (like the OP's) which has a valid chain back to the root CA's it is just a workaround for a badly configured server - see my answer.
– Stevie
Apr 30 '13 at 14:43
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How to squash all git commits into one?
...s answer was given. No, there is a simpler and better way: git rebase -i --root. See: stackoverflow.com/a/9254257/109618
– David J.
Jul 12 '13 at 5:24
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How to serialize an object to XML without getting xmlns=“…”?
...ter, object, xmlns);
you will have the three namespaces declared in the root element and no more needed to be generated in the other elements which will be prefixed accordingly
<root xmlns:one="urn:names:specification:schema:xsd:one" ... />
<one:Element />
<two:ElementFromAn...
On delete cascade with doctrine2
...rine's cascade={"remove"} removes the related entities before removing the root entity (it has to). So when the root entity is deleted there aren't any foreign relations left for onDelete="CASCADE" to delete. But to be sure I would suggest you simply create a small test case and look at the queries ...
What is the difference between JSON and Object Literal Notation?
...lf. It is derived from a single language.
SQL Language - Hibernate MySQL Dialect, Oracle Dialect,.. which have some changes or added functionality.
Information about the browser and computer of your users.
navigator.appName // "Netscape"
ECMAScript is the scripting language that form...
Relative URLs in WordPress
... and found the core ticket #17048: URLs delivered to the browser should be root-relative. Where we can find the reasons explained by Andrew Nacin, lead core developer. He also links to this [wp-hackers] thread. On both those links, these are the key quotes on why WP doesn't use relative URLs:
Core ...
Difference between jar and war in Java
...ical directory structure. The top-level directory of a WAR is the document root of the application. The document root is where JSP pages, client-side classes and archives, and static web resources are stored.
(source)
So a .war is a .jar, but it contains web application components and is laid out a...
Run an untrusted C program in a sandbox in Linux that prevents it from opening files, forking, etc.?
...nel.
It is also possible to create a sandbox on Unix-like systems using chroot(1), although that is not quite as easy or secure. Linux Containers and FreeBSD jails are a better alternative to chroot. Another alternative on Linux is to use a security framework like SELinux or AppArmor, which is what...