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How to analyze a java thread dump?
... explains what that waiting on means:
A lock prevents more than one entity from accessing a shared resource. Each object in Java™ has an associated lock (gained by using a synchronized block or method). In the case of the JVM, threads compete for various resources in the JVM and locks on Java obje...
How to exit from Python without traceback?
I would like to know how to I exit from Python without having an traceback dump on the output.
10 Answers
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How dangerous is it to access an array out of bounds?
...an array outside of its bounds (in C)? It can sometimes happen that I read from outside the array (I now understand I then access memory used by some other parts of my program or even beyond that) or I am trying to set a value to an index outside of the array. The program sometimes crashes, but some...
How to run a C# console application with the console hidden
... our form is called when the user right clicks on the system tray icon and selects preferences. THIS IS THE RIGHT ANSWER!!!
– Bluebaron
Jul 4 '15 at 0:31
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'^M' character at end of lines
... On some systems (i.e. Ubuntu) the name of this command is "fromdos"
– bobwienholt
Dec 4 '12 at 16:12
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How to modify a text file?
... Python thing. It is the same in all languages.
What I usually do is read from the file, make the modifications and write it out to a new file called myfile.txt.tmp or something like that. This is better than reading the whole file into memory because the file may be too large for that. Once the te...
Running bash script from within python
...cify the full path to it e.g., if it is in the current working directory:
from subprocess import call
rc = call("./sleep.sh")
If the script has no shebang then you need to specify shell=True:
rc = call("./sleep.sh", shell=True)
If the script has no executable permissions and you can't change ...
Difference between CR LF, LF and CR line break types?
...ut which bytes are stored in a file. CR is a bytecode for carriage return (from the days of typewriters) and LF similarly, for line feed. It just refers to the bytes that are placed as end-of-line markers.
Way more information, as always, on wikipedia.
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Copy and paste content from one file to another file in vi
... have two putty windows open, I am doing "v for visual mode first and then select all the lines and the do a "y" for yanking, not I am doing an alt+tab to get onto the other file and when I do a "p" for put, it only prints a quotation mark.
– macha
Jan 6 '11 at...
How to compile and run C/C++ in a Unix console/Mac terminal?
...ry. For example you would see the other folders, input.cpp and output.bin
From inside the directory, now execute it with ./outbut.bin
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