大约有 42,000 项符合查询结果(耗时:0.0435秒) [XML]

https://stackoverflow.com/ques... 

Zooming MKMapView to fit annotation pins?

I am using MKMapView and have added a number of annotation pins to the map about a 5-10 kilometre area. When I run the application my map starts zoomed out to show the whole world, what is the best way to zoom the map so the pins fit the view? ...
https://stackoverflow.com/ques... 

Removing rounded corners from a element in Chrome/Webkit

...as well inline on the element itself; I've tried both border-radius:0px and -webkit-border-radius:0px; and I've tried the even more specific border-top-left-radius:0px (along with it's -webkit equivalent). ...
https://stackoverflow.com/ques... 

Getting only response header from HTTP POST using curl

...rite the protocol headers to the specified file. This option is handy to use when you want to store the headers that a HTTP site sends to you. Cookies from the headers could then be read in a second curl invocation by using the -b, --cookie option! The -c, --...
https://stackoverflow.com/ques... 

How to check if a number is a power of 2

...eturn (x != 0) && ((x & (x - 1)) == 0); } Explanation First and foremost the bitwise binary & operator from MSDN definition: Binary & operators are predefined for the integral types and bool. For integral types, & computes the logical bitwise AND of its operands. F...
https://stackoverflow.com/ques... 

How can I open a cmd window in a specific location?

... Try out this "PowerToy" from Microsoft: Open Command Window Here This PowerToy adds an "Open Command Window Here" context menu option on file system folders, giving you a quick way to open a command window (cmd.exe) pointing at the selected folder. EDIT : T...
https://stackoverflow.com/ques... 

What is the largest TCP/IP network port number allowable for IPv4?

...ions. Microsoft wrote an interesting Technet article about how to diagnose and avoid it in Windows environments: blogs.technet.microsoft.com/askds/2008/10/29/… – JessieArr Jul 13 '16 at 20:04 ...
https://stackoverflow.com/ques... 

What's the fastest way to delete a large folder in Windows?

I want to delete a folder that contains thousands of files and folders. If I use Windows Explorer to delete the folder it can take 10-15 minutes (not always, but often). Is there a faster way in Windows to delete folders? ...
https://stackoverflow.com/ques... 

How do I force a favicon refresh?

I have a Grails application running locally using its own tomcat and I have just changed the favicon for a new one. Problem is that I can not see it in any browser. The old favicon shows up or I get no favicon at all, but not my new one. I do not think this is a Grails issue per se, more an issue...
https://stackoverflow.com/ques... 

How do I download a binary file over HTTP?

How do I download and save a binary file over HTTP using Ruby? 9 Answers 9 ...
https://stackoverflow.com/ques... 

How to change language settings in R

...env() function. My R session defaults to English, so I'll set it to French and then back again: > Sys.setenv(LANG = "fr") > 2 + x Erreur : objet 'x' introuvable > Sys.setenv(LANG = "en") > 2 + x Error: object 'x' not found A list of the abbreviations can be found here. Sys.getenv() g...