大约有 47,000 项符合查询结果（耗时：0.0541秒） [XML]
What are the precise rules for when you can omit parenthesis, dots, braces, = (functions), etc.?
...ple, I like to use the following style:
(list
filter (...)
map (...)
mkString ", "
)
That's the same thing as:
list filter (...) map (...) mkString ", "
Now, why am I using parenthesis here, if filter and map take a single parameter? It's because I'm passing anonymous functions to them. I c...
How do I run IDEA IntelliJ on Mac OS X with JDK 7?
...o.plist file, and changed this bit:
<key>JVMVersion</key>
<string>1.6*</string>
to:
<key>JVMVersion</key>
<string>1.8*</string>
After launching, everything was golden.
sh...
How to have stored properties in Swift, the same way I had on Objective-C?
...
@VyachaslavGerchicov [String]? is a struct, this is the same case as for Int, Bool. You could use NSArray to keep a collection of NSString instances.
– Wojciech Nagrodzki
Feb 14 '19 at 9:17
...
Decoding and verifying JWT token using System.IdentityModel.Tokens.Jwt
... deserialising and serialising security tokens.
The class has a ReadToken(String) method that will take your base64 encoded JWT string and returns a SecurityToken which represents the JWT.
The SecurityTokenHandler also has a ValidateToken(SecurityToken) method which takes your SecurityToken and cr...
“Unknown provider: aProvider
...m invoke in injector.js, recognizable from the "Incorrect injection token" string:
The locals parameter (mangled to d in my code) gives a pretty good idea about which object in your source is the problem:
A quick grep over our source finds many instances of modalInstance, but going from there,...
Email Address Validation in Android on EditText [duplicate]
...Message);
final TextView textView = (TextView)findViewById(R.id.text);
String email = emailValidate.getText().toString().trim();
String emailPattern = "[a-zA-Z0-9._-]+@[a-z]+\\.+[a-z]+";
emailValidate .addTextChangedListener(new TextWatcher() {
public void afterTextChanged(Editable s) {
...
Use of Finalize/Dispose method in C#
...
as extra computing effort is needed in the CLR to keep track of classes with active finalizers. - Implementing a finalizer causes this to happen. Calling GC.SuppressFinalize means that the Finalizer should not be called by the r...
Dynamically set local variable [duplicate]
... another local or even a global name. Using a dict it is safe to store any strings as keys.
– Duncan
Oct 18 '17 at 10:58
1
...
What are best practices that you use when writing Objective-C and Cocoa? [closed]
...te thread. Make sure to wrap anything that modifies the database for query strings in @synchronize() {} blocks. For short queries just leave things on the main thread for easier convenience.
More SQLite optimization tips are here, though the document appears out of date many of the points are prob...
What does -> mean in Python function definitions?
...
It's a function annotation.
In more detail, Python 2.x has docstrings, which allow you to attach a metadata string to various types of object. This is amazingly handy, so Python 3 extends the feature by allowing you to attach metadata to functions describing their parameters and return ...