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How to get key names from JSON using jq
... Thank you very much! but now one more problem. : ( I am getting different orders when i get keys alone and when i get values alone : (
– Ezhilan Mahalingam
Apr 16 '14 at 20:13
2
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How to write a large buffer into a binary file in C++, fast?
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Try the following, in order:
Smaller buffer size. Writing ~2 MiB at a time might be a good start. On my last laptop, ~512 KiB was the sweet spot, but I haven't tested on my SSD yet.
Note: I've noticed that very large buffers tend to decrease pe...
How to maintain aspect ratio using HTML IMG tag
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here is the sample one
div{
width: 200px;
height:200px;
border:solid
}
img{
width: 100%;
height: 100%;
object-fit: contain;
}
<div>
<img src="https://upload.wikimedia.org/wikipedia/meta/0/08/Wikipedia-logo-v2_1x.png">
</div>
...
Request is not available in this context
... will also need some additional configuration on your log4net appenders in order for them to log your custom data.
This solution can be easily implemented as a custom log enhancement module. Here is sample code for it:
using System;
using System.Web;
using log4net;
using log4net.Core;
namespace Y...
Auto-center map with multiple markers in Google Maps API v3
...way, you can use an arbitrary number of points, and don't need to know the order beforehand.
Demo jsFiddle here: http://jsfiddle.net/x5R63/
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Why is it string.join(list) instead of list.join(string)?
...ng join on strins side-steps this problem at the cost of the "unintuitive" order. A better choice might have been to keep it a function with the first argument being the iterable and the second (optional one) being the joiner string - but that ship has sailed.
– user4815162342
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mongodb group values by multiple fields
...lf-join" with another pipeline expression, in which we can apply $limit in order to return the "top-n" results.
db.books.aggregate([
{ "$group": {
"_id": "$addr",
"count": { "$sum": 1 }
}},
{ "$sort": { "count": -1 } },
{ "$limit": 2 },
{ "$lookup": {
"from": "books",
"let"...
C++11 reverse range-based for-loop
...tion is that range-based for-loops work by relying on begin() and end() in order to acquire the range's iterators. Thanks to ADL, one doesn't even need to define their custom begin() and end() in the std:: namespace.
Here is a very simple-sample solution:
// ---------------------------------------...
How to dynamically update a ListView on Android [closed]
... the app now should show your previous ListView, with a nice box above. In order to make that box do something, we need to take the input from it, and make that input filter the list. While a lot of people have tried to do this manually, most ListView Adapter classes come with a Filter object that c...
How to automatically generate N “distinct” colors?
...ive Green
};
the following is the unsorted kelly colors according to the order above.
the following is the sorted kelly colors according to hues (note that some yellows are not very contrasting)
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