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Synchronization vs Lock
...he simple model and scope-oriented nature of synchronized helps protect me from bugs in my code, but those same advantages are sometimes hindrances in more complex scenarios. Its these more complex scenarios that the concurrent package was created to help address. But using this higher level constru...
What's the difference between istringstream, ostringstream and stringstream? / Why not use stringstr
...t of the same string stream.
Usually I want to either initialize a stream from a string and then parse it; or stream things to a string stream and then extract the result and store it.
If you're streaming to and from the same stream, you have to be very careful with the stream state and stream pos...
How to add an image to a JPanel?
...e of Encapsulation. Just remember while programming, what should be hidden from the rest of the code, needs to be maintained that way, instead of being visible to everythingy in the code. Seems like it is one such thingy that comes with experience, as one learns each day. Any book can give a basic i...
Write text files without Byte Order Mark (BOM)?
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I can write file with UTF8 encoding but, how to remove Byte Order Mark from it?
9 Answers
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Extracting an attribute value with beautifulsoup
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If you want to retrieve multiple values of attributes from the source above, you can use findAll and a list comprehension to get everything you need:
import urllib
f = urllib.urlopen("http://58.68.130.147")
s = f.read()
f.close()
from BeautifulSoup import BeautifulStoneSoup
so...
How do I daemonize an arbitrary script in unix?
...alls svscan, which does the main work of looking for services; it's called from init so init will arrange to restart it if it dies for any reason.
Per-service setup
Each service needs a service directory, which stores housekeeping information about the service. You can also make a location to ho...
Convert InputStream to byte array in Java
...write it myself? The jar is only 107KB and if you have need for one method from it, you are likely to use others too
– Rich Seller
Aug 12 '09 at 10:46
246
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How to Calculate Execution Time of a Code Snippet in C++
...Time;
uint64 ret = li.QuadPart;
ret -= 116444736000000000LL; /* Convert from file time to UNIX epoch time. */
ret /= 10000; /* From 100 nano seconds (10^-7) to 1 millisecond (10^-3) intervals */
return ret;
#else
/* Linux */
struct timeval tv;
gettimeofday(&tv, NULL);
uint64 ret = tv...
How can I convert NSDictionary to NSData and vice versa?
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Not to take anything away from this answer, but just a heads that it isn't ARC compliant
– Madbreaks
Feb 18 '14 at 19:45
10
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Generate sql insert script from excel worksheet
I have a large excel worksheet that I want to add to my database.
13 Answers
13
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