大约有 23,000 项符合查询结果（耗时：0.0411秒） [XML]
What is the 'dynamic' type in C# 4.0 used for?
...= foo / 2.5; // Does not compile
foo = Math.Sqrt(foo); // Does not compile
string bar = foo.ToString("c");
The second line does not compile because 2.5 is typed as a double and line 3 does not compile because Math.Sqrt expects a double. Obviously, all you have to do is cast and/or change your vari...
Best Practices: Salting & peppering passwords?
...sult in a far weaker hash than bcrypt(pw, salt) if hash() returns a binary string.
Working Against Design
The way bcrypt (and other password hashing algorithms) were designed is to work with a salt. The concept of a pepper was never introduced. This may seem like a triviality, but it's not. The rea...
Set theme for a Fragment
...torActionListener(this);
builder.setView(view);
builder.setTitle(R.string.server_dialog);
builder.setPositiveButton(android.R.string.ok, this);
Dialog dialog = builder.create();
dialog.setCanceledOnTouchOutside(false);
return dialog;
}
I originally had the AlertDialog.Build...
Dictionary returning a default value if the key does not exist [duplicate]
... trygetvalue doesn't allow you to specify a default value, ie for a string value you may want it to return "" instead of null
– katbyte
Aug 12 '13 at 20:08
1
...
How to fallback to local stylesheet (not script) if CDN fails
...
May I ask what the issue with using unescaped strings initially, e.g. document.write("<script type='text/javascript' src='path/to/file.js'>")?
– Jack Tuck
Jan 22 '15 at 20:38
...
Is null reference possible?
...red_ptr<Error>> _instances;
static Error& NewInstance(const string& name, bool isNull = false);
private:
bool _isNull;
Error(const string& name, bool isNull = false) : _name(name), _isNull(isNull) {};
Error() {};
Error(const Error& src) {};
Error& operator=(...
VB.NET equivalent of C# property shorthand?
...beyond, you can use the following shorthand:
public property FirstName as String
This will be handled as your short version in C# is - I think they call it "Auto Property"
See also: Auto-Implemented Properties (Visual Basic)
...
How do I detect that an iOS app is running on a jailbroken phone?
...ld be able to see if Cydia is installed and go by that - something like
NSString *filePath = @"/Applications/Cydia.app";
if ([[NSFileManager defaultManager] fileExistsAtPath:filePath])
{
// do something useful
}
For hacked kernels, it's a little (lot) more involved.
...
What is a daemon thread in Java?
...e in setDaemon.
public class DaemonTest {
public static void main(String[] args) {
new WorkerThread().start();
try {
Thread.sleep(7500);
} catch (InterruptedException e) {
// handle here exception
}
System.out.println("Main T...
Abstraction VS Information Hiding VS Encapsulation
...= the object internally,
Example:
In the .NET Framework, the System.Text.StringBuilder class provides an abstraction over a string buffer. This buffer abstraction lets you work with the buffer without regard for its implementation. Thus, you're able to append strings to the buffer without regard f...