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(-2147483648> 0) returns true in C++?
... that allowed using unsigned types for unsuffixed decimal constants. In C++98 it was int or long int. No unsigned types allowed. Neither C (starting from C99) nor C++ permits the compiler to use unsigned types in this context. Your compiler is, of course, free to use unsigned types if none of the si...
ANTLR: Is there a simple example?
...antlr.org site, I still can't get a clear understanding of the grammar to Java process.
5 Answers
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编译失败！ Error: Your build failed due to an error in the AAPT stage,...
...析如下：
Tag <activity> attribute name has invalid character
[java] /tmp/1685410160630_0.39828964915976717-0/youngandroidproject/../build/AndroidManifest.xml:5: Tag <activity> attribute name has invalid character '�'.
[java] May 30, 2023 9:29:27 AM com....
simple HTTP server in Java using only Java SE API
...ere a way to create a very basic HTTP server (supporting only GET/POST) in Java using just the Java SE API, without writing code to manually parse HTTP requests and manually format HTTP responses? The Java SE API nicely encapsulates the HTTP client functionality in HttpURLConnection, but is there an...
How do I monitor the computer's CPU, memory, and disk usage in Java?
I would like to monitor the following system information in Java:
11 Answers
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Error: Could not create the Java Virtual Machine Mac OSX Mavericks
I just installed the latest Java SDK 7-67 from Oracle on the Mac 10.9.4. I then ran the command java -v in Terminal and I get this message:
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How to check command line parameter in “.bat” file?
... Historically note: [%1]==[-b] and "%1"=="-b" were the same for win 98 and earlier MS/PC-DOS systems batch scripts. Since win 2000/NT introduced syntax if "%~1"=="-b" where double quotes have special meaning that is the way you should code scripts as it provides more robust protection. Double...
Send email using java
I'm trying to send an email using Java:
15 Answers
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What's invokedynamic and how do I use it?
...uld like to know what it is and how does it make reflective programming in Java easier or better?
4 Answers
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What is the difference between “text” and new String(“text”)?
...ructor is unnecessary since strings are immutable.
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