大约有 26,000 项符合查询结果（耗时：0.0390秒） [XML]
Remove duplicate rows in MySQL
... is to add a UNIQUE index on the 3 columns. When you write the ALTER statement, include the IGNORE keyword. Like so:
ALTER IGNORE TABLE jobs
ADD UNIQUE INDEX idx_name (site_id, title, company);
This will drop all the duplicate rows. As an added benefit, future INSERTs that are duplicates will ...
jQuery - checkbox enable/disable
I have a bunch of checkboxes like this. If the "Check Me" checkbox is checked, all the other 3 checkboxes should be enabled, else they should be disabled. How can I do this using jQuery?
...
Replace tabs with spaces in vim
...
IIRC, something like:
set tabstop=2 shiftwidth=2 expandtab
should do the trick. If you already have tabs, then follow it up with a nice global RE to replace them with double spaces.
...
Duplicate ID, tag null, or parent id with another fragment for com.google.android.gms.maps.MapFragme
...esirable.
After lots of trial and error, I found a solution that works for me:
private static View view;
@Override
public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
if (view != null) {
ViewGroup parent = (ViewGroup) view.getParent();
...
.gitignore and “The following untracked working tree files would be overwritten by checkout”
...ny effect on your working copy and it will just mark as removed the next time you commit. After the files are removed from the repo then the .gitignore will prevent them from being added again.
But you have another problem with your .gitignore, you are excessively using wildcards and its causing it...
Visual Studio 2010 annoyingly opens documents in wrong MDI pane
Visual Studio's MDI is currently causing me a lot of frustration. Here is my basic layout:
5 Answers
...
Git in Visual Studio - add existing project?
...o initialize a Git repository for an existing project file is this (disclaimer: this is done in Visual Studio 2013 Express, without a Team Foundation Server setup):
Open the project in Visual Studio.
Go to menu File → Add to Source Control.
That did it for me - assuming Git is set up for you, ...
How do I convert Word files to PDF programmatically? [closed]
...(Microsoft.Office.Interop.Word.Page p in pane.Pages)
{
var bits = p.EnhMetaFileBits;
var target = path1 +j.ToString()+ "_image.doc";
try
{
using (var ms = new MemoryStream((byte[])(bits)))
{
var image = System.Drawing.Image.FromStream(ms);
var...
R cannot be resolved - Android error
...r tracking down this problem as well, I found this note in the Android documentation:
http://source.android.com/source/using-eclipse.html
*Note: Eclipse sometimes likes to add an "import android.R" statement at the
top of your files that use resources,
especially when you ask Eclipse to
s...
Chrome ignores autocomplete=“off”
...which uses a tagbox drop down. This works great in all browsers except Chrome browser (Version 21.0.1180.89).
51 Answers
...