大约有 48,000 项符合查询结果（耗时：0.0692秒） [XML]
Retina displays, high-res background images
...
Do I need to double the size of the .box div to 400px by 400px to
match the new high res background image
No, but you do need to set the background-size property to match the original dimensions:
@media (-webkit-min-device-pixel-ratio: 2),
(min-resolution: 192dpi) {
...
How can I generate a diff for a single file between two branches in github
...until-tag}
As an example, https://github.com/libgit2/libgit2sharp/compare/v0.9.0...v0.9.5 shows the diff between two versions of the LibGit2Sharp project. This diff includes all the modified files.
If you want to retrieve an url that targets a specific file:
Switch to the Files Changed tab
Click...
Modifying a query string without reloading the page
...
answered Oct 9 '13 at 18:05
Fabio NolascoFabio Nolasco
5,14255 gold badges2828 silver badges3131 bronze badges
...
Gradient of n colors ranging from color 1 and color 2
...friend here:
colfunc <- colorRampPalette(c("black", "white"))
colfunc(10)
# [1] "#000000" "#1C1C1C" "#383838" "#555555" "#717171" "#8D8D8D" "#AAAAAA"
# [8] "#C6C6C6" "#E2E2E2" "#FFFFFF"
And just to show it works:
plot(rep(1,10),col=colfunc(10),pch=19,cex=3)
...
Download a specific tag with Git
...
2903
$ git clone
will give you the whole repository.
After the clone, you can list the tags with ...
File extension for PowerShell 3
...dMike Shepard
15.2k66 gold badges4545 silver badges6060 bronze badges
10
...
How to disable Google Chrome auto update?
...
30 Answers
30
Active
...
How do you delete an ActiveRecord object?
...like
user.destroy
User.find(15).destroy
User.destroy(15)
User.where(age: 20).destroy_all
User.destroy_all(age: 20)
Alternatively you can use delete and delete_all which won't enforce :before_destroy and :after_destroy callbacks or any dependent association options.
User.delete_all(condition: ...
MySQL SELECT WHERE datetime matches day (and not necessarily time)
...wing 4 records, then only the 2nd and 3rd would be returned if I limit to 2012-12-25.
4 Answers
...
git undo all uncommitted or unsaved changes
...
1704
This will unstage all files you might have staged with git add:
git reset
This will revert a...