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How to insert an item at the beginning of an array in PHP?
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There are two problem: 1)reindexing the array 2)can not add item with an index.
– Nabi K.A.Z.
Jun 13 '19 at 21:23
2
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MongoDB vs. Cassandra [closed]
...less data models (and encourage denormalization instead), and both provide indexes on documents or rows, although MongoDB's indexes are currently more flexible.
Cassandra's storage engine provides constant-time writes no matter how big your data set grows. Writes are more problematic in MongoDB, pa...
Why do assignment statements return a value?
...in the answers of this thread. But efficient in the case of properties and indexers that use get- and set accessors? Not at all. Consider this code:
class Test
{
public bool MyProperty { get { return true; } set { ; } }
}
Here we have a property, which isn't even a wrapper for a private varia...
Is there a concurrent List in Java's JDK?
...ow can I create a concurrent List instance, where I can access elements by index? Does the JDK have any classes or factory methods I can use?
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Difference between addSubview and insertSubview in UIView class
...most view (addSubview:), or it is before the 5th subview, (insertSubview:atIndex:) or if it is immediately behind another subview (insertSubview:aboveSubview:).
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Surrogate vs. natural/business keys [closed]
... for a logical primary key. They are both essentially just non-null unique index constraints.
– dkretz
Feb 12 '09 at 22:11
1
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Detect and exclude outliers in Pandas data frame
...lumn satisfy the
constraint.
Finally, result of this condition is used to index the dataframe.
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Tools to search for strings inside files without indexing [closed]
I have to change some connection strings in an incredibly old legacy application, and the programmers who made it thought it would be a great idea to plaster the entire app with connection strings all over the place.
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Why does Javascript's regex.exec() not always return the same value? [duplicate]
...bal, if you call a method on the same regex object, it will start from the index past the end of the last match.
When no more matches are found, the index is reset to 0 automatically.
To reset it manually, set the lastIndex property.
reg.lastIndex = 0;
This can be a very useful feature. You...
How to dynamically change a web page's title?
...per the comments and reference on SearchEngineLand
most web crawlers will index the updated title. Below answer is obsolete, but the code is still applicable.
You can just do something like, document.title = "This is the new
page title.";, but that would totally defeat the purpose of SEO. Mos...