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How to find out the number of CPUs using python
...perthreaded cpus, which may not be what you want if you are scheduling cpu-intensive tasks.
– Christopher Barber
Jun 7 '19 at 15:21
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How is it possible to declare nothing inside main() in C++ and yet have a working application after
In an interview I was confronted with a question such as this:
6 Answers
6
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Android Fatal signal 11 (SIGSEGV) at 0x636f7d89 (code=1). How can it be tracked down?
...getting this error by saving an object to the shared preferences as a gson converted string. The gson String was no good, so retrieving and deserializing the object was not actually working correctly. This meant any subsequent accesses to the object resulted in this error. Scary :)
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Is there a difference between foo(void) and foo() in C++ or C?
...aking no arguments"
By writing foo(void), therefore, we achieve the same interpretation across both languages and make our headers multilingual (though we usually need to do some more things to the headers to make them truly cross-language; namely, wrap them in an extern "C" if we're compiling C++...
Where does Console.WriteLine go in ASP.NET?
...J2EE application (like one running in WebSphere), when I use System.out.println() , my text goes to standard out, which is mapped to a file by the WebSphere admin console.
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What can I use instead of the arrow operator, `->`?
... want to see pretty code, then look at the documentation for inside the Macintosh. I think they invented CamelCase. Very descriptive variable names and elegantly formatted code. They managed to make their later C code almost as gorgeous as their earlier Pascal code.
– ATL_DEV...
Catching java.lang.OutOfMemoryError?
...an that the JVM is out of memory in the catch block:
private static final int MEGABYTE = (1024*1024);
public static void runOutOfMemory() {
MemoryMXBean memoryBean = ManagementFactory.getMemoryMXBean();
for (int i=1; i <= 100; i++) {
try {
byte[] bytes = new byte[MEGA...
Compare a string using sh shell
.../test and the builtins for dash and bash. In ksh and zsh, the strings are converted to numerical values and are equal since they are both 0. IMO, the behavior of the builtins for ksh and zsh is incorrect, but the spec for test is ambiguous on this.
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How to break lines at a specific character in Notepad++?
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If the text contains \r\n that need to be converted into new lines use the 'Extended' or 'Regular expression' modes and escape the backslash character in 'Find what':
Find what: \\r\\n
Replace with: \r\n
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What is the easiest way to make a C++ program crash?
I'm trying to make a Python program that interfaces with a different crashy process (that's out of my hands). Unfortunately the program I'm interfacing with doesn't even crash reliably! So I want to make a quick C++ program that crashes on purpose but I don't actually know the best and shortest way ...