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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DBCP is out of date and not production grade.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...
My attempt at value initialization is interpreted as a function declaration, and why doesn't A a(())
Among the many things Stack Overflow has taught me is what is known as the "most vexing parse", which is classically demonstrated with a line such as
...
Python: try statement in a single line
...thing not to know whether a variable exists in Python, like you would in some other dynamic languages. The safer way (and the prevailing style) is to set all variables to something. If they might not get set, set them to None first (or 0 or '' or something if it is more applicable.)
If you do ass...
How to unzip files programmatically in Android?
...e format they were in the zipped file. Please post your knowledge and help me out.
14 Answers
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