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STL or Qt containers?
What are the pros and cons of using Qt containers ( QMap , QVector , etc.) over their STL equivalent?
14 Answers
...
Very simple log4j2 XML configuration file using Console and File appender
...ver will occur at 4 am and then next
ones will occur at 8 am, noon, 4pm, etc.
Source: https://logging.apache.org/log4j/2.x/manual/appenders.html
Output:
[INFO ] 2018-07-21 12:03:47,412 ScenarioHook.beforeScenario() - Browser=CHROME32_NOHEAD
[INFO ] 2018-07-21 12:03:48,623 ScenarioHook.befo...
Bootstrap carousel multiple frames at once
..., does not add junk html, highly-configurable, responsive, mobile-friendly etc...
$('.multi-item-carousel').lightSlider({
item: 4,
pager: false,
autoWidth: false,
slideMargin: 0
});
share
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Saving an Object (Data persistence)
...kler = pickle.Pickler(output, -1)
pickler.dump(obj1)
pickler.dump(obj2)
etc...
Note: If you're in an environment running different versions of Python, then you'll probably want to explicitly use (i.e. hardcode) a specific protocol number that all of them can read (later versions can generally r...
How do you validate a URL with a regular expression in Python?
...+ '-.') # and others?
assert pieces.scheme in ['http', 'https', 'ftp'] # etc.
It might be slower, and maybe you'll miss conditions, but it seems (to me) a lot easier to read and debug than a regular expression for URLs.
...
Inheriting class methods from modules / mixins in Ruby
...ans that you can dynamically create new classes, assign them to variables, etc.:
klass = Class.new do
def foo
"foo"
end
end
#=> #<Class:0x2b613d0>
klass.new.foo
#=> "foo"
Also in Ruby, you have the possibility of defining so-called singleton methods on objects. These methods ...
Resumable downloads when using PHP to send the file?
...the specs you can do "bytes=x-y", "bytes=-x", "bytes=x-", "bytes=x-y,a-b", etc. so the bug in the previous version was the missing end slash, not the lack of a question mark.
– Theo
Jul 16 '09 at 8:09
...
Using a ListAdapter to fill a LinearLayout inside a ScrollView layout
...tAdapter adapter = ... // Your adapter.
final int adapterCount = adapter.getCount();
for (int i = 0; i < adapterCount; i++) {
View item = adapter.getView(i, null, null);
layout.addView(item);
}
EDIT: I rejected this approach when I needed to display about 200 non-trivial list items, it is...
Are there good reasons not to use an ORM? [closed]
... to know the framework instead of knowing the SqlConnection’s exceptions etc.
– hangy
Oct 11 '08 at 14:59
4
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How to style a checkbox using CSS
... fundamental issue has not changed. You still can't apply styles (borders, etc.) directly to the checkbox element and have those styles affect the display of the HTML checkbox. What has changed, however, is that it's now possible to hide the actual checkbox and replace it with a styled element of yo...