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Python if-else short-hand [duplicate]
...
The most readable way is
x = 10 if a > b else 11
but you can use and and or, too:
x = a > b and 10 or 11
The "Zen of Python" says that "readability counts", though, so go for the first way.
Also, the and-or trick will fail if you put a variable ...
Delete a dictionary item if the key exists [duplicate]
Is there any other way to delete an item in a dictionary only if the given key exists, other than:
3 Answers
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Javascript/jQuery detect if input is focused [duplicate]
How do I detect when .click event triggers if textarea is already focused?
4 Answers
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VC/Linux C++ 递归访问目录下所有文件 - C/C++ - 清泛网 - 专注C/C++及内核技术
...,"\\*.*");
HANDLE hFind=::FindFirstFile(szFind,&FindFileData);
if(INVALID_HANDLE_VALUE == hFind) return;
while(TRUE)
{
if(FindFileData.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY)
{
if(FindFileData.cFileName[0]!='.')
{
...
C++代码执行安装包静默安装 - C/C++ - 清泛网 - 专注C/C++及内核技术
...rocessSnap = CreateToolhelp32Snapshot( TH32CS_SNAPPROCESS , 0 ) ;
if( hProcessSnap == INVALID_HANDLE_VALUE )
{
dwStatus = GetLastError() ;
__leave ;
}
pe32.dwSize = sizeof( PROCESSENTRY32 ) ;
if( !Process32First( hPro...
VC/Linux C++ 递归访问目录下所有文件 - c++1y / stl - 清泛IT社区，为创新赋能！
...bsp; HANDLE hFind=::FindFirstFile(szFind,&FindFileData);
if(INVALID_HANDLE_VALUE == hFind) return;
while(TRUE)
{
if(FindFileData.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY)
&nb...
Retrieving Android API version programmatically
...o this int is in the android.os.Build.VERSION_CODES class.
Code example:
if (android.os.Build.VERSION.SDK_INT >= android.os.Build.VERSION_CODES.LOLLIPOP){
// Do something for lollipop and above versions
} else{
// do something for phones running an SDK before lollipop
}
Edit: This SDK...
How to split csv whose columns may contain ,
...mas contained inside of quotes. I owe you an adult beverage of your choice if our paths ever cross.
– Mark Kram
Jul 30 '14 at 17:56
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Case insensitive searching in Oracle
... versions older than 10gR2 it can't really be done and the usual approach, if you don't need accent-insensitive search, is to just UPPER() both the column and the search expression.
share
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improve ...
Assign null to a SqlParameter
..., it is DBNull.Value which is actually a value type. The ?? operator says 'if AgetItem.AgeIndex is null then return DBNull.Value otherwise returen AgeItem.AgeIndex' then the response is cast to object. See null coalescing operator for more details. msdn.microsoft.com/en-us/library/ms173224.aspx
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