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How do I iterate through each element in an n-dimensional matrix in MATLAB?
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You can use linear indexing to access each element.
for idx = 1:numel(array)
element = array(idx)
....
end
This is useful if you don't need to know what i,j,k, you are at. However, if you don't need to know what index you are at, yo...
How to use ng-repeat for dictionaries in AngularJs?
...obj.name}} {{obj.surname}}</li> ... where items is a set of persons indexed by some key.
– giowild
Sep 17 '14 at 15:57
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How to select rows that have current day's timestamp?
...table` WHERE DATE(`timestamp`) = CURDATE()
I guess using DATE still uses INDEX.
see the execution plan on the DEMO
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How to debug a Flask app
...evelopment key'
toolbar = DebugToolbarExtension(app)
@app.route('/')
def index():
logging.warning("See this message in Flask Debug Toolbar!")
return "<html><body></body></html>"
Start the application as follows:
FLASK_APP=main.py FLASK_DEBUG=1 flask run
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How to convert 1 to true or 0 to false upon model fetch
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All you need is convert string to int with + and convert the result to boolean with !!:
var response = {"isChecked":"1"};
response.isChecked = !!+response.isChecked
You can do this manipulation in the parse method:
parse:...
PDO's query vs execute
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query runs a standard SQL statement and requires you to properly escape all data to avoid SQL Injections and other issues.
execute runs a prepared statement which allows you to bind parameters to avoid the need to escape or quote the parameters. execute will also perform better if you are repeat...
Set transparent background using ImageMagick and commandline prompt
...owing:
convert test.png -transparent white transparent.png
That changed all the white in the test.png to transparent.
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Which SQL query is faster? Filter on Join criteria or Where clause?
...ilter then Join rather than Join then Filter. It was also able to use the index on that column because it didn't have to match Null. Query response changed from 61 seconds to 2 seconds.
– Ben Gripka
Sep 3 at 15:38
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What can , and be used for?
...tail(dto) with dto from senderMB._arrData
Sender.xhtml
<p:dataTable rowIndexVar="index" id="dataTale"value="#{senderMB._arrData}" var="dto">
<p:commandButton action="#{senderMB.clickBtnDetail(dto)}" value="見る"
ajax="false"/>
</p:dataTable>
In senderMB.clickBtnDet...
“Unsafe JavaScript attempt to access frame with URL…” error being continuously generated in Chrome w
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You could allow cross-domain requests during testing by running chrome with the --disable-web-security command line option. This should probably get rid of the error (and allow FB to spy on your testing ;)
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