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Java project in Eclipse: The type java.lang.Object cannot be resolved. It is indirectly referenced f
...h the JDK libraries)
OR
Delete and Re-import the project and if necessary do the above steps again.
The better cure is to try NetBeans instead of Eclipse :-)
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Create RegExps on the fly using string variables
...ase, you have to convert the string into a global (/.../g) RegExp. You can do this from a string using the new RegExp constructor:
new RegExp(string_to_replace, 'g')
The problem with this is that any regex-special characters in the string literal will behave in their special ways instead of being...
Is it possible to print a variable's type in standard C++?
...d this on MSVC. </disclaimer> But I welcome feedback from those who do.
The C++11 Solution
I am using __cxa_demangle for non-MSVC platforms as recommend by ipapadop in his answer to demangle types. But on MSVC I'm trusting typeid to demangle names (untested). And this core is wrapped arou...
Easiest way to flip a boolean value?
...ou can flip a value like so:
myVal = !myVal;
so your code would shorten down to:
switch(wParam) {
case VK_F11:
flipVal = !flipVal;
break;
case VK_F12:
otherVal = !otherVal;
break;
default:
break;
}
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How to get the list of properties of a class?
How do I get a list of all the properties of a class?
10 Answers
10
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Git keeps asking me for my ssh key passphrase
...itly — yet git continues to ask me for my passphrase every time I try to do a pull or a push.
12 Answers
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Using bitwise OR 0 to floor a number
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How does it work? Our theory was that using such an operator casts the
number to an integer, thus removing the fractional part
All bitwise operations except unsigned right shift, >>>, work on signed 32-bit integers. ...
If table exists drop table then create it, if it does not exist just create it
I'm stumped, I don't know how to go about doing this.
4 Answers
4
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How to test an Internet connection with bash?
...inging some website?
I mean, what if there is a connection but the site is down? Is there a check for a connection with the world?
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Read and parse a Json File in C#
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In C# DotNet Core, use: using (StreamReader r = File.OpenText("file.json"))
– Fred
Nov 14 '16 at 6:37
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