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Creating Multifield Indexes in Mongoose / MongoDB
...ommand can be used to create compound index for nested json:
db.ACCOUNT_collection.createIndex({"account.id":1,"account.customerId":1},{unique:1})
Mongo json structure is like :
{"_id":"648738"
"account": {
"id": "123",
"customerId": 7879,
"name": "test"
..
..
}
}
I hav...
Total size of the contents of all the files in a directory [closed]
... the size the directory takes up on the disk.
– anton_rh
Sep 24 '18 at 11:59
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Gradle, Android and the ANDROID_HOME SDK location
...
I've solved the problem. This works for me:
In
/my_current_project/
I've created a file called local.properties and put inside
sdk.dir=/my_current_path_to/sdk
In the console I need to do
set ANDROID_HOME=/my_current_path_to/sdk
Hope this helps.
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Entity Framework is Too Slow. What are my options? [closed]
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@Doug Most applications have view models for view-only scenarios, right? Might as well do as much of the mapping as you pull out the data.
– Casey
Aug 26 '15 at 15:58
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Resize HTML5 canvas to fit window
...itle>
<script type="text/javascript">
function resize_canvas(){
canvas = document.getElementById("canvas");
if (canvas.width < window.innerWidth)
{
canvas.width = window.innerWidth;
}
if (canvas.h...
How to get a list of all files that changed between two Git commits?
...36000 +0000 .cpl/params/libsecret
2015-01-21 09:10:01.294778000 +0000 .cpl/_deps
2015-01-21 09:17:42.846372000 +0000 .cpl/params/npth
2015-01-21 12:12:19.002718000 +0000 sbin/git-rcd
I now can review my modifications, from oldest to more recent.
...
Advantage of switch over if-else statement
...he clearest code is probably:
if (RequiresSpecialEvent(numError))
fire_special_event();
Obviously this just moves the problem to a different area of the code, but now you have the opportunity to reuse this test. You also have more options for how to solve it. You could use std::set, for exa...
Mix Razor and Javascript code
...metimes it doesn't work:
function hideSurveyReminder() {
@Session["_isSurveyPassed"] = true;
}
This will produce
function hideSurveyReminder() {
False = true;
}
in browser =(
share
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Simplest way to profile a PHP script
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The PECL APD extension is used as follows:
<?php
apd_set_pprof_trace();
//rest of the script
?>
After, parse the generated file using pprofp.
Example output:
Trace for /home/dan/testapd.php
Total Elapsed Time = 0.00
Total System Time = 0.00
Total User Time = 0.00
...
Limits of Nat type in Shapeless
...a> Nat(3)
res10: shapeless.Succ[shapeless.Succ[shapeless.Succ[shapeless._0]]] = Succ()
So to represent the number 1000000, you would have a type that is nested 1000000 levels deep, which would definitely blow up the scala compiler. The current limit seems to be about 400 from experimentation, b...