大约有 43,000 项符合查询结果(耗时:0.0695秒) [XML]

https://stackoverflow.com/ques... 

Most efficient way to store thousand telephone numbers

...digits left. We view these remaining five digits as 17-bit binary integers and store k of those bits using one method and 17 - k = m with a different method, determining k at the end to minimize the required space. We first sort the phone numbers (all reduced to 5 decimal digits). Then we count how...
https://stackoverflow.com/ques... 

Should CSS always preceed Javascript?

...ownload each time a page is loaded. To simulate reality, I included jQuery and the H5BP CSS (so there's a decent amount of script/CSS to parse) Set up two pages - one with CSS before script, one with CSS after script. Recorded how long it took for the external script in the <head> to execute R...
https://stackoverflow.com/ques... 

Bash ignoring error for a particular command

...shell to think that the entire pipe has non-zero exit code when one of commands in the pipe has non-zero exit code (with pipefail off it must the last one). $ set -o pipefail $ false | true ; echo $? 1 $ set +o pipefail $ false | true ; echo $? 0 ...
https://stackoverflow.com/ques... 

How to set ViewBag properties for all Views without using a base class for Controllers?

... Un-tried by me, but you might look at registering your views and then setting the view data during the activation process. Because views are registered on-the-fly, the registration syntax doesn't help you with connecting to the Activated event, so you'd need to set it up in a Module: ...
https://stackoverflow.com/ques... 

Why compile Python code?

...d you compile a Python script? You can run them directly from the .py file and it works fine, so is there a performance advantage or something? ...
https://stackoverflow.com/ques... 

Hidden Features of C#? [closed]

... lambdas and type inference are underrated. Lambdas can have multiple statements and they double as a compatible delegate object automatically (just make sure the signature match) as in: Console.CancelKeyPress += (sender, e) =&gt...
https://stackoverflow.com/ques... 

Implementing Fast and Efficient Core Data Import on iOS 5

... sense having that MOC wait until the end to save. It has its own thread, and it will help keep memory down as well. You wrote: Then at the end of the import process, I save on the master/parent context which, ostensibly, pushes modifications out to the other child contexts including the m...
https://stackoverflow.com/ques... 

Boolean method naming readability

Simple question, from a readability standpoint, which method name do you prefer for a boolean method: 12 Answers ...
https://stackoverflow.com/ques... 

is there an virtual environment for node.js?

...s is your main issue, then maybe consider using the very cool 'bundle' command with npm. This is closer to freezing gems or using bundler in rails, rather than rvm. It's super easy. Just create a package.json file: { "name": "yourapp", "version": "0.0.1", "dependencies": {"jade": "0.4.1"}} and t...
https://stackoverflow.com/ques... 

Parcelable encountered IOException writing serializable object getactivity()

...t.DSLL$DNode Your DSLL class appears to have a DNode static inner class, and DNode is not Serializable. share | improve this answer | follow | ...