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Number of elements in a javascript object
...e example you could avoid it by just using a normal function, that doesn't mean you can stop other scripts from doing this. so what do you do? Ignore function properties?
Object.prototype.length = function()
{
var i = 0;
for ( var p in this )
{
if ( 'function' == typeof this[p] ) cont...
onclick() and onblur() ordering issue
...enu, use document.onclick, which fires after onblur.
However, this also means that the menu is removed when the input itself is clicked on, which is undesired behaviour. Set an input.onclick with event.stopPropagation() to avoid propagating clicks to the document click event.
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What is a magic number, and why is it bad? [closed]
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Just because a magic number will never change doesn't mean it shouldn't be replaced by a constant. My code is full of global constants like HzPerMHz and msecPerSecond. These will never change, but they make the meaning clearer, and provide some protection against typos.
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SQLite string contains other string query
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Which means that your minSdkVersion should be 21 (5.0-Lollipop)
– Maksim Turaev
Nov 18 '16 at 8:30
1
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Get statistics for each group (such as count, mean, etc) using pandas GroupBy?
...eed:
df[['col1', 'col2', 'col3', 'col4']].groupby(['col1', 'col2']).agg(['mean', 'count'])
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Is it possible to specify your own distance function using scikit-learn K-Means Clustering?
Is it possible to specify your own distance function using scikit-learn K-Means Clustering?
8 Answers
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Is it valid to have a tag inside another tag?
...V replacement :)
DIVs are still used and recommended (usually for grouping means).
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Where to use EJB 3.1 and CDI?
...ture versions of Java EE we'll be continuing to align them. What aligning means is allowing people to do what they already can do, just without the @Stateful, @Stateless or @Singleton annotation at the top.
EJB and CDI in Implementation Terms
Ultimately, EJB and CDI share the same fundamental des...
When does invoking a member function on a null instance result in undefined behavior?
...The problem is that the previous sentence is never stated, so what does it mean to "use" the lvalue? Just even generate it at all, or to use it in the more formal sense of perform lvalue-to-rvalue conversion?
Regardless, it definitely cannot be converted to an rvalue (§4.1/1):
If the object to...
How to request a random row in SQL?
...M MyTable ORDER BY newid()
Because GUIDs are pretty random, the ordering means you get a random row.
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