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Clear a terminal screen for real
...g the terminal. Here is some more information on terminal escape codes.
Edit
Here are a few other ways of doing it...
printf "\ec" #\e is ESC in bash
echo -en "\ec" #thanks @Jonathon Reinhart.
# -e Enable interpretation of of backslash escapes
# -n Do not output a new line
KDE
The above ...
Reason to Pass a Pointer by Reference in C++?
...follow
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edited Dec 20 '15 at 22:51
Ziezi
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ViewController respondsToSelector: message sent to deallocated instance (CRASH)
...d choose Zombies template. After your application is running, try to crash it. You should get something like that:
Click on the arrow next to address in the popover to show object that was called after it was deallocated.
You should see now every call that has changed retain count of this obj...
When to use the JavaScript MIME type application/javascript instead of text/javascript?
.../javascript is used in HTML documents so Internet Explorer can understand it.
4 Answers
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Batch script loop
...te a command 100-200 times, and so far my research indicates that I would either have to copy/paste 100 copies of this command, OR use a for loop, but the for loop expects a list of items, hence I would need 200 files to operate on, or a list of 200 items, defeating the point.
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ORA-12505, TNS:listener does not currently know of SID given in connect descriptor
I have installed Oracle 11g Express Edition Release 2 in my windows 7 64 bit OS and tried to execute JDBC program, then I got the following error:
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Practical uses for the “internal” keyword in C#
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Utility or helper classes/methods that you would like to access from many other classes within the same assembly, but that you want to ensure code in other assemblies can't access.
From MSDN (via archive.org):
A common use o...
iOS 6: How do I restrict some views to portrait and allow others to rotate?
..., up to four levels deep. I want the first three views restricted to portrait orientation and only the last view should be allowed to rotate to landscape. When returning from the fourth view to the third and the fourth view was in landscape orientation I want everything to rotate back to portrait.
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Convert a character digit to the corresponding integer in C
...';
int x = c - '0';
Also, for error checking, you may wish to check isdigit(c) is true first. Note that you cannot completely portably do the same for letters, for example:
char c = 'b';
int x = c - 'a'; // x is now not necessarily 1
The standard guarantees that the char values for the digits '...
What's up with Java's “%n” in printf?
I'm reading Effective Java and it uses %n for the newline character everywhere. I have used \n rather successfully for newline in Java programs.
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