大约有 11,000 项符合查询结果（耗时：0.0420秒） [XML]
When would I use XML instead of SQL? [closed]
I've been working on database-driven web applications for a few years now and recently took on a project involving a CMS that is XML-capable. This has led me to think about the usage of XML/XSLT in general and in what situations it would be more useful than the approach I've always used, which is st...
git: undo all working dir changes including new files
...of adding a new untracked file. From the question, the asker may be quite happy with his current set of ignored files.
– CB Bailey
Jul 7 '09 at 6:49
7
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How to lay out Views in RelativeLayout programmatically?
... someOtherView.getId())
lp.addRule(RelativeLayout.ALIGN_PARENT_LEFT)
Just apply the layout params: The most 'healthy' way to do that is:
parentLayout.addView(myView, lp)
Watch out: Don't change layout from the layout callbacks. It is tempting to do so because this is when views get their actual...
How to get Twitter-Bootstrap navigation to show active link?
... to implement this in the style of Rails' form helpers.
In a helper (e.g. app/helpers/ApplicationHelper.rb):
def nav_bar
content_tag(:ul, class: "nav navbar-nav") do
yield
end
end
def nav_link(text, path)
options = current_page?(path) ? { class: "active" } : {}
content_tag(:li, option...
How do I detect “shift+enter” and generate a new line in Textarea?
...d recommend against changing it. However, if you must do this, the easiest approach would be to find the script that is making Enter submit the form and change it. The code will have something like
if (evt.keyCode == 13) {
form.submit();
}
... and you could just change it to
if (evt.keyCode == ...
Error while installing json gem 'mkmf.rb can't find header files for ruby'
...
For Xcode 11 on macOS 10.14, this can happen even after installing Xcode and installing command-line tools and accepting the license with
sudo xcode-select --install
sudo xcodebuild -license accept
The issue is that Xcode 11 ships the macOS 10.15 SDK which in...
Joins are for lazy people?
...
Joining in the app server can be more efficient if joining on the database causes severe redundancy in the result set sent over the network. Consider tables A and B, where each row in A is associated with 20 rows in B, B has only 100 rows, ...
Find out who is locking a file on a network share
...
I used an application called Unlocker to do this (the file was on the NAS). The app is here: filehippo.com/download_unlocker/tech and it worked for me but I can't vouch for this app
– Dan
Aug 17 ...
file_put_contents(meta/services.json): failed to open stream: Permission denied
...er dump-autoload
Laravel < 5.4
php artisan cache:clear
chmod -R 777 app/storage
composer dump-autoload
NOTE: DO NOT DO THIS ON ANY REMOTE SERVER (DEV OR PRODUCTION)
When I asked this question, this was a problem on my localhost, running in a Virtual Machine. So I thought setting up a 777 ...
How can one display images side by side in a GitHub README.md?
...d color schemes side by side instead of top and bottom. Help would be much appreciated, thanks!
7 Answers
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