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“open/close” SqlConnection or keep open?
I have my business-logic implemented in simple static classes with static methods. Each of these methods opens/closes SQL connection when called:
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sed command with -i option (in-place editing) works fine on Ubuntu but not Mac [duplicate]
I know nothing about Sed but need this command (which works fine on Ubuntu) to work on a Mac OSX:
4 Answers
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to drawRect or not to drawRect (when should one use drawRect/Core Graphics vs subviews/images and wh
To clarify the purpose of this question: I know HOW to create complicated views with both subviews and using drawRect. I'm trying to fully understand the when's and why's to use one over the other.
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Renaming the current file in Vim
How should I rename my current file in Vim?
21 Answers
21
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Why does struct alignment depend on whether a field type is primitive or user-defined?
In Noda Time v2, we're moving to nanosecond resolution. That means we can no longer use an 8-byte integer to represent the whole range of time we're interested in. That has prompted me to investigate the memory usage of the (many) structs of Noda Time, which has in turn led me to uncover a slight ...
Understanding PrimeFaces process/update and JSF f:ajax execute/render attributes
What exactly are process and update in PrimeFaces p:commandXxx components and execute and render in f:ajax tag?
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LAST_INSERT_ID() MySQL
I have a MySQL question that I think must be quite easy. I need to return the LAST INSERTED ID from table1 when I run the following MySql query:
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How to uninstall editable packages with pip (installed with -e)
I have installed some packages with -e
6 Answers
6
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When do you use map vs flatMap in RxJava?
When do you use map vs flatMap in RxJava ?
10 Answers
10
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App Inventor 2 FTP 客户端拓展：FTP协议连接、上传、下载、创建、修改目录...
... 中文教程 IoT专题 AI2拓展 ChatGPT接入 Aia Store 开通VIP 搜索 App Inventor 2 FTP 客户端拓展：FTP协议连接、上传、下载、创建...