大约有 10,170 项符合查询结果(耗时:0.0417秒) [XML]
Determine if Android app is being used for the first time
I am currently developing an android app. I need to do something when the app is launched for the first time, i.e. the code only runs on the first time the program is launched.
...
When to use RSpec let()?
I tend to use before blocks to set instance variables. I then use those variables across my examples. I recently came upon let() . According to RSpec docs, it is used to
...
What's the difference between integer class and numeric class in R
I want to preface this by saying I'm an absolute programming beginner, so please excuse how basic this question is.
4 Answ...
is_file or file_exists in PHP
I need to check if a file is on HDD at a specified location ($path.$file_name).
5 Answers
...
CSRF protection with CORS Origin header vs. CSRF token
This question is about protecting against Cross Site Request Forgery attacks only.
2 Answers
...
Can you turn off Peek Definition in Visual Studio 2013 and up?
In Visual Studio 2013 and up, there is the Peek Definition feature when you Ctrl + Click. At first I thought this was cool, but I have found that the majority of the time, I need to click the Promote to Document button, since I make lots of changes to the files I Ctrl + Click on. But after Googl...
Can “git pull --all” update all my local branches?
I often have at least 3 remote branches: master, staging and production. I have 3 local branches that track those remote branches.
...
Find nearest latitude/longitude with an SQL query
I have latitude and longitude and I want to pull the record from the database, which has nearest latitude and longitude by the distance, if that distance gets longer than specified one, then don't retrieve it.
...
Why does SSL handshake give 'Could not generate DH keypair' exception?
When I make an SSL connection with some IRC servers (but not others - presumably due to the server's preferred encryption method) I get the following exception:
...
Why is it faster to check if dictionary contains the key, rather than catch the exception in case it
Imagine the code:
2 Answers
2
...
