大约有 48,000 项符合查询结果（耗时：0.0830秒） [XML]
Fast way of finding lines in one file that are not in another?
...ile1 file2
The input files should be sorted for this to work. With bash (and zsh) you can sort in-place with process substitution <( ):
diff --new-line-format="" --unchanged-line-format="" <(sort file1) <(sort file2)
In the above new and unchanged lines are suppressed, so only changed...
Center a popup window on screen?
...: It will also work on windows that aren't maxed out to the screen's width and height now thanks to @Frost!
If you're on dual monitor, the window will center horizontally, but not vertically... use this function to account for that.
const popupCenter = ({url, title, w, h}) => {
// Fixes dua...
How to implement a unique index on two columns in rails
I have a table and I'm trying to add a unique index on two columns. Those columns are also indexed. So my question is if I just can remove the indexes who were just for one column or if I have to use all three indexes:
...
In what areas might the use of F# be more appropriate than C#? [closed]
...ft's fully supported languages employing many ideas incubated in OCaml, ML and Haskell.
9 Answers
...
Why is System.Web.Mvc not listed in Add References?
... problem I had. I chose to use the NuGet install method proscribed below, and I will comment there what I did.
– qxotk
Feb 9 '16 at 19:30
...
Unit testing with Spring Security
...e should use it in one of our next projects. So far I love what I've seen, and right now I'm taking a look at the Spring Security module to determine if it's something we can/should use.
...
Nested rows with bootstrap grid system?
...t you should really read the entire docs section on the grid so you understand how to leverage this powerful feature
<div class="container">
<div class="row">
<div class="col big-box">
image
</div>
<div class="col">
<div class="row">
...
Swift to Objective-C header not created in Xcode 6
... In Build Settings under Packaging, my Defines Module is set to Yes and I created a Product Module Name without spaces. The "*-Swift.h" is not generated by XCode 6. ???
– Loozie
Jun 11 '14 at 20:27
...
Java, List only subdirectories from a directory, not files
...ectly list the subdirectory from the directory. B'coz I have lots of files and only few subdirectory in a directory so, checking isDirectory() is time consuming. please reply me another way.
– Lokesh Paunikar
Feb 26 '11 at 5:51
...
How to set time delay in javascript
...de setTimeout don't recognise class properties.
– ishandutta2007
Apr 14 '17 at 17:52
@ishandutta2007 see my answer bel...