大约有 16,000 项符合查询结果（耗时：0.0374秒） [XML]
How can I find WPF controls by name or type?
...e properly found child. Therefore I added a if (foundChild != null) break; into my code to deal with this condition.
/// <summary>
/// Finds a Child of a given item in the visual tree.
/// </summary>
/// <param name="parent">A direct parent of the queried item.</param>
///...
Add a column with a default value to an existing table in SQL Server
...
ALTER TABLE {TABLENAME}
ADD {COLUMNNAME} {TYPE} {NULL|NOT NULL}
CONSTRAINT {CONSTRAINT_NAME} DEFAULT {DEFAULT_VALUE}
WITH VALUES
Example:
ALTER TABLE SomeTable
ADD SomeCol Bit NULL --Or NOT NULL.
CONSTRAINT D_SomeTable_SomeCol --When Omitted a Default-Constraint Name is autogenerated...
Mercurial: Can I rename a branch?
...ms where you can force the users to clone this is a good idea -- or use hg convert instead.
– hochl
Apr 3 '12 at 8:34
5
...
Use of #pragma in C
...bers) in MSVC:
#pragma pack(push, 1)
struct PackedStructure
{
char a;
int b;
short c;
};
#pragma pack(pop)
// sizeof(PackedStructure) == 7
Here's how you'd do the same thing in GCC:
struct PackedStructure __attribute__((__packed__))
{
char a;
int b;
short c;
};
// sizeof(PackedStruct...
How do I use WebStorm for Chrome Extension Development?
...bs mapping is pretty straightforward in this case and writing this kind of converter should not take more than a day (or several hours for the skilled coder).
If someone goes ahead and implements it, please post the link to the results here.
...
What is the real overhead of try/catch in C#?
...
Three points to make here:
Firstly, there is little or NO performance penalty in actually having try-catch blocks in your code. This should not be a consideration when trying to avoid having them in your application. The performanc...
What is the “continue” keyword and how does it work in Java?
...
Let's see an example:
int sum = 0;
for(int i = 1; i <= 100 ; i++){
if(i % 2 == 0)
continue;
sum += i;
}
This would get the sum of only odd numbers from 1 to 100.
...
iOS: How to get a proper Month name from a number?
...
Another option is to use the monthSymbols method:
int monthNumber = 11; //November
NSDateFormatter *df = [[[NSDateFormatter alloc] init] autorelease];
NSString *monthName = [[df monthSymbols] objectAtIndex:(monthNumber-1)];
Note that you'll need to subtract 1 from your 1...
When should you not use virtual destructors?
...is no need to use a virtual destructor when any of the below is true:
No intention to derive classes from it
No instantiation on the heap
No intention to store in a pointer of a superclass
No specific reason to avoid it unless you are really so pressed for memory.
...
How do disable paging by swiping with finger in ViewPager but still be able to swipe programmaticall
...that you don't want to change like allowing child views to get touches. onInterceptTouchEvent is what you want to change. If you look at the code for ViewPager, you'll see the comment:
/*
* This method JUST determines whether we want to intercept the motion.
* If we return true, onM...