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UITableView with fixed section headers
...ate design. (such as height of header for sections & height of cell at index path, sections)
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Syntax behind sorted(key=lambda: …)
...t a little more specific by saying, for each element (x) in mylist, return index 1 of that element, then sort all of the elements of the original list 'mylist' by the sorted order of the list calculated by the lambda function. Since we have a list of tuples, we can return an indexed element from tha...
dyld: Library not loaded … Reason: Image not found
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Find all the boost libraries:
$ otool -L exefile
exefile:
@executable_path/libboost_something.dylib (compatibility version 0.7.0, current version 0.7.0)
/usr/lib/libc++.1.dylib (compatibility version 1.0.0, curren...
Compare two Byte Arrays? (Java)
... firstLength != secondLength ) {
return false;
}
for( int index = 0; index < firstLength; ++index ) {
if( first[firstOffset+index] != second[secondOffset+index]) {
return false;
}
}
return true;
}
...
Rails detect if request was AJAX
... But its okey to be truthy, the zero means that the text is found at index 0, so its found (and its and ajax request). If text is not found the result is nil, which is false.
– Arnold Roa
Aug 24 '17 at 0:47
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Change type of varchar field to integer: “cannot be cast automatically to type integer”
...f the error still occurs, then it may be related not to column values, but indexes over this column or column default values might fail typecast. Indexes need to be dropped before ALTER COLUMN and recreated after. Default values should be changed appropriately.
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ElasticSearch - Return Unique Values
...t_method] in order to load fielddata in memory by uninverting the inverted index. Note that this can however use significant memory. Alternatively use a keyword field instead."
}
]}
In that case, you have to add "KEYWORD" in the request, like following:
{
"aggs" : {
...
How to get the list of all installed color schemes in Vim?
...e function I do something like this:
let s:schemes = GetColorSchemes()
if index(s:schemes, 'solarized') >= 0
colorscheme solarized
elseif index(s:schemes, 'darkblue') >= 0
colorscheme darkblue
endif
Which means I prefer the 'solarized' and then the 'darkblue' schemes; if none of them ...
To switch from vertical split to horizontal split fast in Vim
...g list says (re-formatted for better readability):
To change two vertically split
windows to horizonally split
Ctrl-w t Ctrl-w K
Horizontally to vertically:
Ctrl-w t Ctrl-w H
Explanations:
Ctrl-w t makes the first (topleft) window current
Ctrl-w K moves th...
Postgres DB Size Command
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Sometimes database contains indexes also. It has some storage value. I am looking for one command that will provide size of the complete database.
– Beautiful Mind
Sep 20 '13 at 4:12
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