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Why is String immutable in Java?
...ypically represented as String in network connections, database connection urls, usernames/passwords etc. If it were mutable, these parameters could be easily changed.
Synchronization and concurrency: making String immutable automatically makes them thread safe thereby solving the synchronization i...
How to trigger Autofill in Google Chrome?
...
Used the url in this answer and it was broken. This works now: code.google.com/p/chromium/codesearch#chromium/src/components/…
– Nathan
Jul 25 '15 at 11:50
...
PHP $_SERVER['HTTP_HOST'] vs. $_SERVER['SERVER_NAME'], am I understanding the man pages correctly?
...entioned search engine hijacking work? Search engines map words to domain urls, they don't deal with IPs. So why do you say that "an attacker can make search engines see attacker.com as the best primary source for your server's IP" mean? That doesn't seem to mean anything to search engines, What's ...
What exactly does the “u” do? “git push -u origin master” vs “git push origin master”
...me>
merge = <remote-ref>
[remote "<nickname>"]
url = <url>
fetch = <refspec>
See git-config(1) for details.
Now if we add -u:
$ git push -u origin test
Branch test set up to track remote branch test from origin.
Everything up-to-date
$ git pull
Already...
Why are iframes considered dangerous and a security risk?
...there's the issue of user interface. If you teach your users to trust that URL bar is supposed to not change when they click links (e.g. your site uses a big iframe with all the actual content), then the users will not notice anything in the future either in case of actual security vulnerability. Fo...
Notifier 通知扩展：功能强大的Android通知管理工具，支持通知通道、意图、...
...line-block; width: 24px; height: 24px; margin-bottom: 4px; background: url(/static/images/feedback.svg) 50% / 100% auto no-repeat; } 文档反馈 切换 目录 在线 客服 扫码添加客服咨询 我要 ...
Isn't it silly that a tiny favicon requires yet another HTTP request? How can I put the favicon into
...ed, a pretty smart way to do this is to use a Data URI rather than an HTTP URL.
SVGs (especially small SVGs) lend themselves perfectly to Data URIs, because the latter is simply plaintext (with any potentially ambiguous characters percentage-encoded) and the former, being XML, can be written out as ...
django admin - add custom form fields that are not part of the model
...template , and do what you need in your admin_view (override the admin add url to your admin_view):
url(r'^admin/mymodel/mymodel/add/$' , 'admin_views.add_my_special_model')
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When to use the different log levels
...be for something like a monitoring app that is reporting the status of its URL checks. So I would INFO log that I got a 4xx from URL and move on.
– GrayWizardx
Jul 9 '15 at 17:24
2...
Git submodule head 'reference is not a tree' error
...ns out that doing a git submodule sync is necessary in scenarios where the URL of the remote for a given submodule has changed. In our case we had added our submodule from a public repo and then changed the URL to a private fork - and got ourselves into this particular pickle.
–...