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Update multiple columns in SQL
...
i think use 1keydata.com/sql/sqlupdate.html "SET column_1 = [value1], column_2 = [value2]"
– DeLe
Jun 9 '13 at 1:01
...
“Unknown class in Interface Builder file” error at runtime
...it, and prints the warning.
By default, Objective-C targets will have -all_load -ObjC flags set by default, which will keep all of the symbols. But I had started with a C++ target, and didn't have that. Nevertheless, I found a way around this, which keeps the linker aggressive.
The hack I was or...
what is reverse() in Django
...t's suppose that in your urls.py you have defined this:
url(r'^foo$', some_view, name='url_name'),
In a template you can then refer to this url as:
<!-- django <= 1.4 -->
<a href="{% url url_name %}">link which calls some_view</a>
<!-- django >= 1.5 or with {% load ur...
Chrome hangs after certain amount of data transfered - waiting for available socket
...r available socket...
is shown, because you've reached a limit on the ssl_socket_pool either per Host, Proxy or Group.
Here are the maximum number of HTTP connections which you can make with a Chrome browser:
The maximum number of connections per proxy is 32 connections. This can be changed in ...
Why does SIGPIPE exist?
... changing global signal dispositions is to temporarily mask it with pthread_sigmask, perform the write, then perform sigtimedwait (with zero timeout) to consume any pending SIGPIPE signal (which is sent to the calling thread, not the process) before unmasking it again.
I believe the reason SIGPIPE ...
Append TimeStamp to a File Name
...tring("yyyyMMddHHmmssfff")
or string.Format
string.Format("{0:yyyy-MM-dd_HH-mm-ss-fff}", DateTime.Now);
or Interpolated Strings
$"{DateTime.Now:yyyy-MM-dd_HH-mm-ss-fff}"
There are following custom format specifiers y (year), M (month), d
(day), h (hour 12), H (hour 24), m (minute), s (sec...
Which HTML Parser is the best? [closed]
...g HtmlCleaner to process your stream instead. => It is not convenient. T__T
– kidnan1991
Oct 4 '16 at 2:40
Wouldn't...
Delegates in swift?
...ata.
protocol FooTwoViewControllerDelegate:class {
func myVCDidFinish(_ controller: FooTwoViewController, text: String)
}
Step2: Declare the delegate in the sending class (i.e. UIViewcontroller)
class FooTwoViewController: UIViewController {
weak var delegate: FooTwoViewControllerDelega...
What is a non-capturing group in regular expressions?
... Group 4: "sectetuer"
...
So, if we apply the substitution string:
$1_$3$2_$4
... over it, we are trying to use the first group, add an underscore, use the third group, then the second group, add another underscore, and then the fourth group. The resulting string would be like the one below....
Converting NumPy array into Python List structure?
...rray instead, and you'll end up with a list of numpy scalars. (Thanks to Mr_and_Mrs_D for pointing that out in a comment.)
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