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Trying to install ruby 1.9.3, read that I need to install homebrew first. Ran brew doctor, and it's giving me a ... PATH. How does one do what it's asking here? Question&Answers:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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432 views

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How to install XNA game studio on Visual Studio 2012?

Is it possible to create XNA games using Visual Studio 2012? Question&Answers:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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path - Test if executable exists in Python?

In Python, is there a portable and simple way to test if an executable program exists? By simple I mean ... m doing now, but imagine it's launchmissiles) Question&Answers:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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java - Fastest way to iterate over all the chars in a String

In Java, what would the fastest way to iterate over all the chars in a String, this: String str ... difference between two calls to System.currentTimeMillis(). Question&Answers:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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python - super() raises "TypeError: must be type, not classobj" for new-style class

The following use of super() raises a TypeError: why? >>> from HTMLParser import HTMLParser >>> class ... https://stackoverflow.com/revisions/2655651/3). Question&Answers:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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function - Extending an Object in Javascript

I am currently transforming from Java to Javascript, and it's a bit hard for me to figure out how to ... show me another alternative that extends an object. Question&Answers:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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What is best tool to compare two SQL Server databases (schema and data)?

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asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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How do you create nested dict in Python?

I have 2 CSV files: 'Data' and 'Mapping': 'Mapping' file has 4 columns: Device_Name, GDN, Device_Type, and Device_OS. ... I don't have any idea how to do this. Question&Answers:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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rest - RESTful call in Java

I am going to make a RESTful call in Java. However, I don't know how to make the call. Do I need to use the URLConnection or others? Question&Answers:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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java - Using Mockito with multiple calls to the same method with the same arguments

Is there a way to have a stubbed method return different objects on subsequent invocations? I'd like to do this to test ... to test } catch (...) { } } Question&Answers:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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windows - Which comment style should I use in batch files?

I've been writing some batch files, and I ran into this user guide, which has been quite informative. One thing ... ? Does :: work on all versions of Windows? Question&Answers:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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wav - Detect & Record Audio in Python

I need to capture audio clips as WAV files that I can then pass to another bit of python for processing. The ... can anyone get me started with a basic example. Question&Answers:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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python - How to drop rows from pandas data frame that contains a particular string in a particular column?

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asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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bash - Wait for a process to finish

Is there any builtin feature in Bash to wait for a process to finish? The wait command only allows one to wait for ... $PID_FILE` > /dev/null; do sleep 1; done Question&Answers:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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What's the difference between ASCII and Unicode?

What's the exact difference between Unicode and ASCII? ASCII has a total of 128 characters (256 in the ... there any size specification for Unicode characters? Question&Answers:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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How to use Visual Studio Code as Default Editor for Git

When using git at the command line, I am wondering if it is possible to use Visual Studio Code as the default ... now possible using the V1.0 release of code. Question&Answers:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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Git submodule head 'reference is not a tree' error

I have a project with a submodule that is pointing to an invalid commit: the submodule commit remained local and when ... .. here's a similar situation I found. Question&Answers:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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dictionary - How to find if a given key exists in a C++ std::map

I'm trying to check if a given key is in a map and somewhat can't do it: typedef map<string,string>::iterator mi ... error here so how can I print what is in p? Question&Answers:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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java - JAX-RS — How to return JSON and HTTP status code together?

I'm writing a REST web app (NetBeans 6.9, JAX-RS, TopLink Essentials) and trying to return JSON and HTTP ... HTTP status codes not be used for such thing? Question&Answers:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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sql server - How to drop a table if it exists?

The table name is Scores. Is it correct to do the following? IF EXISTS(SELECT * FROM dbo.Scores) DROP TABLE dbo.Scores Question&Answers:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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C/C++ include header file order

What order should include files be specified, i.e. what are the reasons for including one header before another? ... go before or after the local include files? Question&Answers:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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Set up DNS based URL forwarding in Amazon Route53

Closed. This question does not meet Stack Overflow guidelines. It is not currently accepting answers. Question&Answers:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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class - When is it appropriate to use C# partial classes?

I was wondering if someone could give me an overview of why I would use them and what advantage I would gain in the process. Question&Answers:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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69 views

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How to get the changes on a branch in Git

What is the best way to get a log of commits on a branch since the time it was branched from the current branch? My solution ... .branch gives x, y, z, c, d, e. Question&Answers:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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TCP: can two different sockets share a port?

This might be a very basic question but it confuses me. Can two different connected sockets share a port? I'm ... can share the same port. So the question. Question&Answers:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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html - Best way to include CSS? Why use @import?

Basically I am wondering what is the advantage / purpose of using @import to import stylesheets into an existing stylesheet ... /> to the head of the document? Question&Answers:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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235 views

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datetime - Difference between date and time w/out work week Excel

I am trying to determine the amount of time a procedure takes. I have the Start Date and Start Time as ... that Excel uses. Any help is appreciated, thanks! Question&Answers:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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171 views

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How, in general, does Node.js handle 10,000 concurrent requests?

I understand that Node.js uses a single-thread and an event loop to process requests only processing one at a time ... that I am just starting to learn Node.js. Question&Answers:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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