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What is the usefulness of `enable_shared_from_this`?
I ran across enable_shared_from_this while reading the Boost.Asio examples and after reading the documentation I am still lost for how this should correctly be used. Can someone please give me an example and explanation of when using this class makes sense.
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Can I set variables to undefined or pass undefined as an argument?
...yone". Just because you are confused, it does not mean that it is a mess.
https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/undefined
This behaviour is also not specific to JavaScript and it completes the generalised concept that a boolean result can be true, false, ...
How to get a list of installed android applications and pick one to run
...s week but I'm still not understanding how to get a list of all installed applications and then pick one to run.
17 Answer...
In Angular, I need to search objects in an array
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Angularjs already has filter option to do this ,
https://docs.angularjs.org/api/ng/filter/filter
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KIO4_Gradient 拓展：布局中的颜色渐变 - App Inventor 2 中文网 - 清泛IT...
...表示渐变的方式。
- 您可以在以下位置查看渐变参数：https://developer.android.com/reference/android/graphics/drawable/GradientDrawable.html- 方向：它是一个从 1 到 8 的整数，你可以看到不同的方式：https://developer.android.com/reference/android/graphics/dra...
What is a 'multi-part identifier' and why can't it be bound?
I continually get these errors when I try to update tables based on another table. I end up rewriting the query, change the order of joins, change some groupings and then it eventually works, but I just don't quite get it.
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Why should we typedef a struct so often in C?
I have seen many programs consisting of structures like the one below
15 Answers
15
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Export specific rows from a PostgreSQL table as INSERT SQL script
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Create a table with the set you want to export and then use the command line utility pg_dump to export to a file:
create table export_table as
select id, name, city
from nyummy.cimory
where city = 'tokyo'
$ pg_dump --table=export_table --data-only --column-insert...
How do I trim leading/trailing whitespace in a standard way?
Is there a clean, preferably standard method of trimming leading and trailing whitespace from a string in C? I'd roll my own, but I would think this is a common problem with an equally common solution.
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What does principal end of an association means in 1:1 relationship in Entity framework
...eUploader: {
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