大约有 42,000 项符合查询结果(耗时:0.0661秒) [XML]

https://stackoverflow.com/ques... 

Copying PostgreSQL database to another server

...o a remote host. With a big database or a slow connection, dumping a file and transfering the file compressed may be faster. As Kornel said there is no need to dump to a intermediate file, if you want to work compressed you can use a compressed tunnel pg_dump -C dbname | bzip2 | ssh remoteuser@...
https://stackoverflow.com/ques... 

What are all the common undefined behaviours that a C++ programmer should know about? [closed]

... the number (e.g. int64_t i = 1; i <<= 72 is undefined) Types, Cast and Const Casting a numeric value into a value that can't be represented by the target type (either directly or via static_cast) Using an automatic variable before it has been definitely assigned (e.g., int i; i++; cout <...
https://stackoverflow.com/ques... 

In PHP, can you instantiate an object and call a method on the same line?

...atures in PHP 5.4: http://php.net/manual/en/migration54.new-features.php And the relevant part from the new features list: Class member access on instantiation has been added, e.g. (new Foo)->bar(). share ...
https://stackoverflow.com/ques... 

Why do I get a warning icon when I add a reference to an MEF plugin project?

...test the core class of a plugin by directly referencing the plugin project and instantiating the plugin class. When I create a test Console App project and add a project reference to the plugin project, I get a warning icon (yellow triangle with exclamation mark) next to the reference in the Referen...
https://stackoverflow.com/ques... 

How to loop over files in directory and change path and add suffix to filename

...t files, or all files in /Data? Here's an answer, assuming /Data/data1.txt and .txt files only: #!/bin/bash for filename in /Data/*.txt; do for ((i=0; i<=3; i++)); do ./MyProgram.exe "$filename" "Logs/$(basename "$filename" .txt)_Log$i.txt" done done Notes: /Data/*.txt expand...
https://stackoverflow.com/ques... 

Create instance of generic type in Java?

... And how do you call the createContents() method? – Alexis Dufrenoy Aug 11 '12 at 21:36 ...
https://stackoverflow.com/ques... 

Example images for code and mark-up Q&As [closed]

... in this answer. It includes a Java based interface that defines the URLs and makes them easy to access. Details: 32x32 pixel PNG (4 colors x 5 shapes) with partial transparency (along the edges). Categories: png icons       Sprite...
https://stackoverflow.com/ques... 

Using mixins vs components for code reuse in Facebook React

I'm beginning to use Facebook React in a Backbone project and so far it's going really well. However, I noticed some duplication creeping into my React code. ...
https://stackoverflow.com/ques... 

Is it possible to apply CSS to half of a character?

... Now on GitHub as a Plugin! Feel free to fork and improve. Demo | Download Zip | Half-Style.com (Redirects to GitHub) Pure CSS for a Single Character JavaScript used for automation across text or multiple characters Preserves Text Accessibility for screen readers fo...
https://stackoverflow.com/ques... 

How to change CSS using jQuery?

... @Ender: using css() all the css is reset and only the css mentioned in this function persists. How can I only add css which is to be changed and retain previous css ? – SimpleGuy Sep 2 at 5:46 ...