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Find document with array that contains a specific value
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This should be the selected answer. If you are dealing with querying an array of nested documents in MongoDB, this is how you do it. Not sure if it is the most efficient but if that's all you're trying to do, this is all you need.
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Remove duplicates from a List in C#
....GroupBy(s => s.City)
.Select(grp => grp.FirstOrDefault())
.OrderBy(s => s.City)
.ToList();
I have these fields in my list: Id, StoreName, Cit...
How to delete from multiple tables in MySQL?
...nd filter on indices? 15k x 15k x 15k x 15k 15k x 15k is 11 million. Did a SELECT take similarly long?
– Paul Draper
May 22 '14 at 20:07
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How to play a sound in C#, .NET
...plication just by Pressing the F5 to run the code.
7.Click the button and select an audio file. After the file loads, the sound will play.
I hope this is useful example to beginners...
share
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im...
Does HTTP use UDP?
...n't generate raw TCP frames (nor UDP ones for that matter) they do have to select the transport to use, and for normal HTTP that's always TCP. The newer QUIC pseudo-protocol does however use UDP.
– Alnitak
Sep 27 '18 at 9:16
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How can I pass an argument to a PowerShell script?
...ath)
Get-ChildItem $path | Where-Object {$_.LinkType -eq 'SymbolicLink'} | select name, target
This creates a script with a path parameter. It will list all symbolic links within the path provided as well as the specified target of the symbolic link.
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Eclipse menus don't show up after upgrading to Ubuntu 13.10
...s in Eclipse (Help, Window, Run) they don’t show up. Only menu stubs and selection are visible.
15 Answers
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How to list all functions in a Python module?
... expressions, and that could be a problem.
For example, I'm letting users select entry point functions for packages being made with zipapp. Using import and inspect risks running astray code, leading to crashes, help messages being printed out, GUI dialogs popping up and so on.
Instead I use the a...
Linux下安装项目管理工具Redmine - 开源 & Github - 清泛网 - 专注C/C++及内核技术
...默认配置
这里会要求选择默认语言，我选的中文zh：
Select language: bg, ca, cs, da, de, en, es, fi, fr, he, hu, it, ja, ko, lt, nl, no, pl, pt, pt-br, ro, ru, sk, sr, sv, th, tr, uk, vn, zh, zh-tw [en] zh
这个默认设置只是在未登录时的界面语言，当用户登...
C/C++ check if one bit is set in, i.e. int variable
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What the selected answer is doing is actually wrong. The below function will return the bit position or 0 depending on if the bit is actually enabled. This is not what the poster was asking for.
#define CHECK_BIT(var,pos) ((var) &...