大约有 42,000 项符合查询结果(耗时:0.0524秒) [XML]

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Why always ./configure; make; make install; as 3 separate steps?

...missing libraries that should be installed. Anything wrong here causes not to build your application. That's why distros have packages that are installed on different places, because every distro thinks it's better to install certain libraries and files to certain directories. It is said to run ./co...
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Issue with adding common code as git submodule: “already exists in the index”

I'm new to git and would appreciate help with adding submodules. I've received two projects sharing some common code. The shared code was just copied into the two projects. I created a separate git repo for the common code and removed it from the projects with the plan to add it as a git submodule...
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Converting RGB to grayscale/intensity

When converting from RGB to grayscale, it is said that specific weights to channels R, G, and B ought to be applied. These weights are: 0.2989, 0.5870, 0.1140. ...
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Error pushing to GitHub - insufficient permission for adding an object to repository database

I'm getting back an unusual error while trying to do a "git push" to my GitHub repository: 21 Answers ...
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What is NODE_ENV and how to use it in Express?

...t things based on the value. NODE_ENV specifically is used (by convention) to state whether a particular environment is a production or a development environment. A common use-case is running additional debugging or logging code if running in a development environment. Accessing NODE_ENV You can use...
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Difference between CR LF, LF and CR line break types?

I'd like to know the difference (with examples if possible) between CR LF (Windows), LF (Unix) and CR (Macintosh) line break types. ...
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Pandas convert dataframe to array of tuples

I have manipulated some data using pandas and now I want to carry out a batch save back to the database. This requires me to convert the dataframe into an array of tuples, with each tuple corresponding to a "row" of the dataframe. ...
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How to Set Variables in a Laravel Blade Template

I'm reading the Laravel Blade documentation and I can't figure out how to assign variables inside a template for use later. I can't do {{ $old_section = "whatever" }} because that will echo "whatever" and I don't want that. ...
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How can I determine installed SQL Server instances and their versions?

I'm trying to determine what instances of sql server/sql express I have installed (either manually or programmatically) but all of the examples are telling me to run a SQL query to determine this which assumes I'm already connected to a particular instance. ...
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Light weight alternative to Hibernate? [closed]

I have a single user java program that I would like to have store data in a light weight database such as Derby or Sqlite. I would like to use a data abstraction layer in my program. Hibernate appears to require a lot of configuration and is overkill for what I need. What are light weight alternativ...