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How to sleep for five seconds in a batch file/cmd [duplicate]
Windows's Snipping tool can capture the screen, but sometimes I want to capture the screen after five seconds, such as taking an image being displayed by the webcam. (Run the script and smile at the camera, for example.)
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Call a function with argument list in python
I'm trying to call a function inside another function in python, but can't find the right syntax. What I want to do is something like this:
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Should I use Java's String.format() if performance is important?
We have to build Strings all the time for log output and so on. Over the JDK versions we have learned when to use StringBuffer (many appends, thread safe) and StringBuilder (many appends, non-thread-safe).
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What is an API key? [closed]
I see this word in almost every cross service application these days.
6 Answers
6
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Java volatile reference vs. AtomicReference
Is there any difference between a volatile Object reference and AtomicReference in case I would just use get() and set() -methods from AtomicReference ?
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Curl GET request with json parameter
I am trying to send a "GET" request to a remote REST API from Command Prompt via cURL like this:
7 Answers
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Can a JSON value contain a multiline string
I am writing a JSON file which would be read by a Java program. The fragment is as follows...
5 Answers
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Why should C++ programmers minimize use of 'new'?
I stumbled upon Stack Overflow question Memory leak with std::string when using std::list<std::string> , and one of the comments says this:
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Is there a short contains function for lists?
I see people are using any to gather another list to see if an item exists in a list, but is there a quick way to just do?:
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What is the difference between `git merge` and `git merge --no-ff`?
Using gitk log , I could not spot a difference between the two. How can I observe the difference (with a git command or some tool)?
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