大约有 48,000 项符合查询结果（耗时：0.0716秒） [XML]
Base64 Decoding in iOS 7+
...
Swift 3+
let plainString = "foo"
Encoding
let plainData = plainString.data(using: .utf8)
let base64String = plainData?.base64EncodedString()
print(base64String!) // Zm9v
Decoding
if let decodedData = Data(base64Encoded: ...
Converting of Uri to String
...ed into String to pass into another activity via intent.putextra() and if it's not possible can anyone suggest me a way how to pass selected Uri into another activity?
...
Unsigned keyword in C++
Does the unsigned keyword default to a specific data type in C++? I am trying to write a function for a class for the prototype:
...
Eclipse hangs on loading workbench
... (this is what worked for me). It seems that it contains a .LOCK file that if not properly closed, prevents eclipse from starting properly. On Unix based systems you can type following on command line;
rm -r workspace/.metadata
Delete your .eclipse directory in your home directory. Launch eclipse....
In bash, how does one clear the current input?
... Don't get used to that, use Ctrl-U. Ctrl-C is not that bad in bash, but if you have e.g. a mysql client prompt, Ctrl-C will disconnect from the server which is really annoying.
– Christian
Nov 25 '13 at 10:54
...
Should I use AppDomain.CurrentDomain.BaseDirectory or System.Environment.CurrentDirectory?
...
If you want to find files in the same directory as your application, AppDomain.CurrentDomain.BaseDirectory is the correct choice.
Environment.CurrentDirectory is a value that can and will change throught the course of runn...
Android icon vs logo
The <application> tag for the Android Manifest contains a logo attribute which I have never seen before. What is the difference between your application's icon and its logo? Is it used purely for market?
...
Comments in .gitignore?
...
Don't know if it was true when this was answered, but the linked book section indicates that in addition to starting a line, comments can also be appended to a line in the .gitignore file.
– Stuart R. Jefferys
...
In Vim, how do you search for a word boundary character, like the \b in regexp?
...
I assume "regexp" means PCRE. It is worth noting that Vim's regex syntax differs from (and apparently predates) PCRE.
See also:
Why does VIM have its own regex syntax?
What's the difference between vim regex and normal regex?
Within vim's regex engine, why are some metacharacters escaped and som...
NULL vs nil in Objective-C
...hange:context: - why do the docs use NULL instead of nil when not specifying a context pointer?
5 Answers
...