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How to select following sibling/xml tag using xpath
...eir HTML is organized like below. All of the data in their specifications table is ' desc ' while the titles of each section are in ' name. ' Below are two examples of data from Newegg pages.
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Find document with array that contains a specific value
...nd that such solutions work so simply without needing JOINs and additional tables makes me wonder why I haven't started on Mongo sooner. But that's not to say either DBMS is superior over the other - it depends on your use case.
– Irvin Lim
Jun 18 '15 at 14:37
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#pragma mark in Swift?
...ay. Since extensions can implement protocols, you can e.g. put all of your table view delegate methods in an extension and group your code at a more semantic level than #pragma mark is capable of.
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Using MySQL with Entity Framework [closed]
...). They make a living writing providers, so I guess it should be fast and stable. I know really big companies using their Oracle provider instead of Orace and MS ones.
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How to cast an Object to an int
...ue index for each object, like to auto incremented ID values in a database table (and unlike to identity hash which is not unique). A simple sample implementation for this:
class ObjectIndexer {
private int index = 0;
private Map<Object, Integer> map = new WeakHashMap<>();
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Converting numpy dtypes to native python types
...however it is deprecated since NumPy 1.16).
For the curious, to build a table of conversions of NumPy array scalars for your system:
for name in dir(np):
obj = getattr(np, name)
if hasattr(obj, 'dtype'):
try:
if 'time' in name:
npn = obj(0, 'D')
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Deleting lines from one file which are in another file
...the entry for that line, no need to set a value.
Assuming awk uses a hash table with constant lookup and (on average) constant update time, the time complexity of this will be O(n + m), where n and m are the lengths of the files. In my case, n was ~25 million and m ~14000. The awk solution was much...
How can I add a box-shadow on one side of an element?
...px;
background: red;
}
#anti-shadow-div{
margin:20px;
display:table;
overflow:hidden;
}
Demo:
http://jsfiddle.net/jDyQt/103
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How to merge two arrays in JavaScript and de-duplicate items
...totype, 'unique', {
enumerable: false,
configurable: false,
writable: false,
value: function() {
var a = this.concat();
for(var i=0; i<a.length; ++i) {
for(var j=i+1; j<a.length; ++j) {
if(a[i] === a[j])
a.splice(j...
How do I vertically align something inside a span tag?
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.container span {
height: 40px; /* image's height */
display: table-cell;
vertical-align: middle;
}
<span class="container">
<span>This is a centered sentence next to an image</span>
</span>
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