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How do I get bit-by-bit data from an integer value in C?
...own bits for information (i.e. for network protocols, such as Websockets), casting the data onto a struct can be useful too, as you get all the required data with a single operation.
– Myst
Dec 29 '15 at 6:34
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C/C++ maximum stack size of program
...nment variable in the OS. You can then check the stack size with ulimit -s and set it to a new value with for example ulimit -s 16384.
Here's a link with default stack sizes for gcc.
DFS without recursion:
std::stack<Node> dfs;
dfs.push(start);
do {
Node top = dfs.top();
if (top is ...
How to declare global variables in Android?
I am creating an application which requires login. I created the main and the login activity.
17 Answers
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How to download and save a file from Internet using Java?
...ine file (such as http://www.example.com/information.asp ) I need to grab and save to a directory. I know there are several methods for grabbing and reading online files (URLs) line-by-line, but is there a way to just download and save the file using Java?
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How to configure heroku application DNS to Godaddy Domain?
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I used this videocast to set up my GoDaddy domain with Heroku, and it worked perfectly. Very clear and well explained.
Note: Skip the part about CNAME yourdomain.com. (note the .) and the heroku addons:add "custom domains"
http://blog.herok...
MISCONF Redis is configured to save RDB snapshots
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In case you encounter the error and some important data cannot be discarded on the running redis instance (problems with permissions for the rdb file or its directory incorrectly, or running out of disk space), you can always redirect the rdb file to be wri...
Signed versus Unsigned Integers
...es, you could do:
i = ((int) b[j]) << 8 | b[j+1]
(should probably cast the 2nd byte, but I'm guessing the compiler will do the right thing)
With signed values you would have to worry about sign extension and do:
i = (((int) b[i]) & 0xFF) << 8 | ((int) b[i+1]) & 0xFF
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How to keep a Python script output window open?
...a few options:
Run the program from an already-open terminal. Open a command prompt and type:
python myscript.py
For that to work you need the python executable in your path. Just check on how to edit environment variables on Windows, and add C:\PYTHON26 (or whatever directory you installed pyt...
Programmatically get own phone number in iOS
Is there any way to get own phone number by standard APIs from iPhone SDK?
9 Answers
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Convert data.frame columns from factors to characters
...ata frame. One option is to use the above but then use type.convert after casting everything to character, then recast factors back to character again.
– Shane
May 17 '10 at 18:56
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