大约有 41,000 项符合查询结果（耗时：0.0332秒） [XML]
Which is better, return value or out parameter?
..., I can't think of any cases where I'd ever want a void method with an out parameter, if I had the choice. C# 7's Deconstruct methods for language-supported deconstruction acts as a very, very rare exception to this rule.)
Aside from anything else, it stops the caller from having to declare the var...
Extract substring in Bash
...
If x is constant, the following parameter expansion performs substring extraction:
b=${a:12:5}
where 12 is the offset (zero-based) and 5 is the length
If the underscores around the digits are the only ones in the input, you can strip off the prefix and ...
How to send a header using a HTTP request through a curl call?
..." -X GET http://hostname/resource
POST:
For posting data:
curl --data "param1=value1&param2=value2" http://hostname/resource
For file upload:
curl --form "fileupload=@filename.txt" http://hostname/resource
RESTful HTTP Post:
curl -X POST -d @filename http://hostname/resource
For logg...
Kill child process when parent process is killed
...ss terminates
/// first, that's fine, too.</summary>
/// <param name="process"></param>
public static void AddProcess(Process process)
{
if (s_jobHandle != IntPtr.Zero)
{
bool success = AssignProcessToJobObject(s_jobHandle, process.Handle...
How can I put a ListView into a ScrollView without it collapsing?
...ecially in the part about calling .measure directly, and setting the LayoutParams.height property directly, but it works.
All you have to do is call Utility.setListViewHeightBasedOnChildren(yourListView) and it will be resized to exactly accommodate the height of its items.
public class Utility {
...
is there a Java equivalent to null coalescing operator (??) in C#? [duplicate]
...t can be extended more in general
public static <T> T coalesce(T... params)
{
for (T param : params)
if (param != null)
return param;
return null;
}
share
|
impro...
How do I search an SQL Server database for a string?
...e sysname
DECLARE @SchemaName sysname
DECLARE @SQL NVARCHAR(4000)
DECLARE @PARAMETERS NVARCHAR(4000)
DECLARE @DataExists BIT
DECLARE @SQLTemplate NVARCHAR(4000)
SELECT @SQLTemplate = CASE WHEN @ExactMatch = 1
THEN 'If Exists(Select *
...
How to Find And Replace Text In A File With C#
... <summary>
/// Replaces text in a file.
/// </summary>
/// <param name="filePath">Path of the text file.</param>
/// <param name="searchText">Text to search for.</param>
/// <param name="replaceText">Text to replace the search text.</param>
static publ...
How do I check if a directory exists? “is_dir”, “file_exists” or both?
...folder exist and return canonicalized absolute pathname (long version)
* @param string $folder the path being checked.
* @return mixed returns the canonicalized absolute pathname on success otherwise FALSE is returned
*/
function folder_exist($folder)
{
// Get canonicalized absolute pathname
...
JUnit test with dynamic number of tests
...
Take a look at Parameterized Tests in JUnit 4.
Actually I did this a few days ago. I'll try to explain ...
First build your test class normally, as you where just testing with one input file.
Decorate your class with:
@RunWith(Parameteri...