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Measuring execution time of a function in C++
I want to find out how much time a certain function takes in my C++ program to execute on Linux . Afterwards, I want to make a speed comparison . I saw several time function but ended up with this from boost. Chrono:
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Batch equivalent of Bash backticks
...@joey It does read each line, but how to concatenate to a command line argument in a single command.
– user877329
Mar 19 '14 at 16:47
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MongoDB Show all contents from all collections
...the database/collection you want to use as follows:
show dbs
use <db name>
show collections
choose your collection and type the following to see all contents of that collection:
db.collectionName.find()
More info here on the MongoDB Quick Reference Guide.
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How do I add tab completion to the Python shell?
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For some reason, the above worked for me in my old mac with "mountain lion" but not working for new mac with "el captan". I need to source ~/.bashrc everytime to make it work before starting python interpreter. Any tips?
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What are the most-used vim commands/keypresses?
...up once, with the commands I actually use regularly:
References
vim documentation online
advanced vim tips
more useful tips and graphical cheat sheet
General
Nearly all commands can be preceded by a number for a repeat count. eg. 5dd delete 5 lines
<Esc> gets you out of any mode and bac...
moment.js 24h format
How do I display my time in 24h format instead of 12?
8 Answers
8
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How to check whether a script is running under Node.js?
... I'm using defines module.exports, so this solution would incorrectly tell me I'm in node.
– Mark Melville
Dec 31 '12 at 23:02
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How to show line number when executing bash script
...ipt would stop when error occurs. However, it's still rather difficult for me to locate which line did the execution stop in order to locate the problem.
Is there a method which can output the line number of the script before each line is executed?
Or output the line number before the command exhibi...
The specified type member 'Date' is not supported in LINQ to Entities. Only initializers, entity mem
Using this code in Entity Framework I receive the following error. I need to get all the rows for a specific date, DateTimeStart is of type DataType in this format 2013-01-30 12:00:00.000
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Reloading/refreshing Kendo Grid
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You can use
$('#GridName').data('kendoGrid').dataSource.read(); <!-- first reload data source -->
$('#GridName').data('kendoGrid').refresh(); <!-- refresh current UI -->
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