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Preserving order with LINQ
...ts, but the elements which are returned will be in the same order.
If you convert to a different data structure, e.g. with ToLookup or ToDictionary, I don't believe order is preserved at that point - but that's somewhat different anyway. (The order of values mapping to the same key is preserved for...
Is there a performance gain in using single quotes vs double quotes in ruby?
... The interp version is both interpolating and concatenating plus converting a number to a string twice. Interpolation wins if you make the results the same. See gist.github.com/810463. The real takeaway is to worry more about to_s than single or double quotes.
– Brian...
How do I rename a column in a SQLite database table?
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The RENAME COLUMN TO syntax changes the column-name of table table-name into new-column-name. The column name is changed both within the table definition itself and also within all indexes, triggers, and views that reference the column. If the column name change would result in a semantic ambigui...
differences in application/json and application/x-www-form-urlencoded
...y case) and result in some inappropriate parsing of the object (it somehow converted the nested array of objects to a map, instead of a list). Using application/json should be the correct choice in this case.
– xji
Apr 2 '18 at 10:39
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How create table only using tag and Css
...ve is much better that leaving them in table. Better means it is easier to convert from floating divs to tables that vice versa.
– anatoly techtonik
Mar 7 '13 at 14:04
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How to log request and response body with Retrofit-Android?
...ofit = new Retrofit.Builder()
.baseUrl(API_BASE_URL)
.addConverterFactory(GsonConverterFactory.create())
.client(httpClient.build())
.build();
We recommend to add logging as the last interceptor, because this will also log the information which you added with prev...
Why is __init__() always called after __new__()?
I'm just trying to streamline one of my classes and have introduced some functionality in the same style as the flyweight design pattern .
...
Dynamic SQL - EXEC(@SQL) versus EXEC SP_EXECUTESQL(@SQL)
...p_executesql cannot be used to replace execute. Perhaps I should put the point I am trying to stress as: Use sp_executesql instead of execute whenever possible.
– Gan
Jun 17 '13 at 17:00
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Run an untrusted C program in a sandbox in Linux that prevents it from opening files, forking, etc.?
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I have used Systrace to sandbox untrusted programs both interactively and in automatic mode. It has a ptrace()-based backend which allows its use on a Linux system without special privileges, as well as a far faster and more poweful backend which requires patching the kernel.
It ...
is of a type that is invalid for use as a key column in an index
...
A unique constraint can't be over 8000 bytes per row and will only use the first 900 bytes even then so the safest maximum size for your keys would be:
create table [misc_info]
(
[id] INTEGER PRIMARY KEY IDENTITY NOT NULL,
[key] n...