大约有 25,300 项符合查询结果（耗时：0.0485秒） [XML]
How can I count all the lines of code in a directory recursively?
...er a specific directory and its subdirectories. We don't need to ignore comments, as we're just trying to get a rough idea.
...
UINavigationBar custom back button without title
...o that the back button displays back instead of the root view controller name
self.navigationItem.backBarButtonItem = [[UIBarButtonItem alloc] initWithTitle:@"" style:UIBarButtonItemStylePlain target:nil action:nil];
Swift 2
self.navigationItem.backBarButtonItem = UIBarButtonItem(title: "", style...
Java default constructor
What exactly is a default constructor — can you tell me which one of the following is a default constructor and what differentiates it from any other constructor?
...
Concatenating Files And Insert New Line In Between Files
...the done you can overwrite instead of append, which will remove the requirement to make sure the file is missing or empty before the loop.
– tripleee
Feb 16 '16 at 4:59
add a ...
Creating the Singleton design pattern in PHP5
... Singleton class
*
*/
final class UserFactory
{
/**
* Call this method to get singleton
*
* @return UserFactory
*/
public static function Instance()
{
static $inst = null;
if ($inst === null) {
$inst = new UserFactory();
}
...
How to send a header using a HTTP request through a curl call?
...Accept: application/json" -H "Content-Type: application/json" http://hostname/resource
with XML:
curl -H "Accept: application/xml" -H "Content-Type: application/xml" -X GET http://hostname/resource
POST:
For posting data:
curl --data "param1=value1&param2=value2" http://hostname/resource
...
Connection pooling options with JDBC: DBCP vs C3P0
...
DBCP is out of date and not production grade. Some time back we conducted an in-house analysis of the two, creating a test fixture which generated load and concurrency against the two to assess their suitability under real life conditions.
DBCP consistently generated exc...
Enable remote connections for SQL Server Express 2012
I just installed SQL Server Express 2012 on my home server. I'm trying to connect to it from Visual Studio 2012 from my desktop PC, and repeatedly getting the well-known error:
...
How do I automatically scroll to the bottom of a multiline text box?
...scroll when the user can't see the textbox.
It seems that the alternative method from the other answers also don't work in this case. One way around it is to perform additional scrolling on the VisibleChanged event:
textBox.VisibleChanged += (sender, e) =>
{
if (textBox.Visible)
{
...
Pickle incompatibility of numpy arrays between Python 2 and 3
...
This seems like some sort of incompatibility. It's trying to load a "binstring" object, which is assumed to be ASCII, while in this case it is binary data. If this is a bug in the Python 3 unpickler, or a "misuse" of the pickler by numpy, I d...