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No mapping found for field in order to sort on in ElasticSearch
...ore_unmapped" don't work if your _type is empty (i.e. without any document indexed).
– reinaldoluckman
May 27 '15 at 15:37
8
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How to index characters in a Golang string?
...
Try this to get the charecters by their index
package main
import (
"fmt"
"strings"
)
func main() {
str := strings.Split("HELLO","")
fmt.Print(str[1])
}
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NTFS performance and large volumes of files and directories
...e have folders containing tens of millions of files.
A folder stores the index information (links to child files & child folder) in an index file. This file will get very large when you have a lot of children. Note that it doesn't distinguish between a child that's a folder and a child that's ...
Making an array of integers in iOS
.../ to get one of them
NSLog (@"The 4th integer is: %@", [myIntegers objectAtIndex:3]);
// or
NSLog (@"The 4th integer is: %d", [[myIntegers objectAtIndex:3] integerValue]);
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Howto: Clean a mysql InnoDB storage engine?
...structure. It normally houses six types of information:
Table Data
Table Indexes
MVCC (Multiversioning Concurrency Control) Data
Rollback Segments
Undo Space
Table Metadata (Data Dictionary)
Double Write Buffer (background writing to prevent reliance on OS caching)
Insert Buffer (managing chang...
“where 1=1” statement [duplicate]
... condition is generated dynamically.
for example lets see this code
<?php
//not that this is just example
//do not use it like that in real environment because it security issue.
$cond = $_REQUEST['cond'];
if ($cond == "age"){
$wherecond = " age > 18";
}
$query = "select * from som...
overlay two images in android to set an imageview
...setMinimumHeight(height * 2);
// start AsyncTask
for (int index = 0; index < count; index++) {
// put default bitmap as a place holder
bitmaps.put(index, bitmap);
new PicassoLoadImage(index, imageUrls.get(index)).execute();
// if yo...
Relational table naming convention [closed]
...nate Key (IDEF1X term)
Note that the table name is not required in the index name, because it always shows up as table_name.index_name.
So when Customer.UC_CustomerId or Product.U__AK appears in an error message, it tells you something meaningful. When you look at the indices on a table, you c...
How does the Java 'for each' loop work?
... is an array rather than an Iterable object, the internal code uses an int index counter and checks against array.length instead. See the Java Language Specification.
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Passing arrays as parameters in bash
...call.
The ! in ${!1} expands the arg 1 variable.
declare -a just makes the indexed array explicit, it is not strictly necessary.
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