大约有 48,000 项符合查询结果（耗时：0.0579秒） [XML]
Centering controls within a form in .NET (Winforms)? [duplicate]
... Great, I never thought about quit all sides on Anchor property, now if I resize the control keeps centered. !great!
– FabianSilva
Mar 23 '12 at 13:52
...
Suppressing “is never used” and “is never assigned to” warnings in C#
...rning restore 0649
To find such warning numbers yourself (ie. how did I know to use 0169 and 0649), you do this:
Compile the code as normal, this will add some warnings to your error list in Visual Studio
Switch to the Output window, and the Build output, and hunt for the same warnings
Copy the ...
Can you attach a UIGestureRecognizer to multiple views?
...
iOS 9 now enforces a single view per gesture recogniser, I'd been using the interface builder method below, but now I get the following message when I try to use it (some details cut for brevity): WARNING: A Gesture recognizer (<...
Replacing NAs with latest non-NA value
...
@Ruben Thanks again for your report. By now the bug is fixed on R-Forge. Also I have tweaked and exported the workhorse function na.locf0 which is now similar in scope and performance to your repeat_last function. The clue was to use diff rather than cumsum and avo...
Regex for password must contain at least eight characters, at least one number and both lower and up
...avor, \W matches only ASCII characters. So you haven't changed that, and now you have to filter out whitespace characters. Furthermore, all the parentheses and {1,} quantifiers you added are pure noise, and removing the non-greedy (?) operators was pointless. There is no improvement here.
...
C# operator overload for `+=`?
...ist, which are compiled in a special method calls, and CLR itself doesn't know anything about operators. So let's see what exactly stays behind the + and += operators.
See this simple code:
Decimal d = 10M;
d = d + 10M;
Console.WriteLine(d);
Let view the IL-code for this instructions:
IL_0000...
How to check if a file exists in the Documents directory in Swift?
...
Nowadays (2016) Apple recommends more and more to use the URL related API of NSURL, NSFileManager etc.
To get the documents directory in iOS and Swift 2 use
let documentDirectoryURL = try! NSFileManager.defaultManager().URL...
LINQ: Not Any vs All Don't
...c<TSource, bool> predicate)
{
return !source.Any(predicate);
}
Now instead of your original
if (!acceptedValues.Any(v => v == someValue))
{
// exception logic
}
you could say
if (acceptedValues.None(v => v == someValue))
{
// exception logic
}
...
How can I do a line break (line continuation) in Python?
...ly PEP-8 has changed since these comments were added, as it's fairly clear now that parentheses should be added to wrap long lines: "Long lines can be broken over multiple lines by wrapping expressions in parentheses."
– Daniel
Feb 8 '12 at 9:04
...
How do you use the ? : (conditional) operator in JavaScript?
...sion where an if...else
statement would be awkward. For
example:
var now = new Date();
var greeting = "Good" + ((now.getHours() > 17) ? " evening." : " day.");
The example creates a string
containing "Good evening." if it is
after 6pm. The equivalent code using
an if...else state...