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How do I return the response from an asynchronous call?
...modify it inside of a function? - Asynchronous code reference
→ If you already understand the problem, skip to the possible solutions below.
The problem
The A in Ajax stands for asynchronous . That means sending the request (or rather receiving the response) is taken out of the normal execution f...
What's the safest way to iterate through the keys of a Perl hash?
...t suited to your needs.
If you just want the keys and do not plan to ever read any of the values, use keys():
foreach my $key (keys %hash) { ... }
If you just want the values, use values():
foreach my $val (values %hash) { ... }
If you need the keys and the values, use each():
keys %hash; # ...
How do I know which version of Javascript I'm using?
I'm just reading this documentation about Javascript 1.2, but I'm wondering which version of Javascript is being used in the most popular browsers.
...
Immutability of Strings in Java
...
have you perchance every tried to program in C? Just read the primer on pointers and you'll understand coobird's answer perfectly.
– Ryan Fernandes
Oct 12 '09 at 2:58
...
Is modern C++ becoming more prevalent? [closed]
...yone, but to a large extent, I agree, most people who have a choice have already gone for C# or Java or other such languages.
– jalf
Feb 11 '09 at 18:06
3
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Creating a dictionary from a csv file?
... unique key, value pair within the dictionary. I tried to use the csv.DictReader and csv.DictWriter classes, but I could only figure out how to generate a new dictionary for each row. I want one dictionary. Here is the code I am trying to use:
...
Transaction marked as rollback only: How do I find the cause
... @lolotron @Ean I can confirm that it will indeed apply to a read-only transaction. My method was throwing an EmptyResultDataAccessException exception on a read-only transaction and I got the same error. Changing my annotation to @Transactional(readOnly = true, noRollbackFor = EmptyR...
Turn a simple socket into an SSL socket
...;
SSL_set_fd(cSSL, newsockfd );
//Here is the SSL Accept portion. Now all reads and writes must use SSL
ssl_err = SSL_accept(cSSL);
if(ssl_err <= 0)
{
//Error occurred, log and close down ssl
ShutdownSSL();
}
You are then able read or write using:
SSL_read(cSSL, (char *)charBuffer, nB...
Setting environment variables on OS X
...ou want it to pick up the changed environment.
This includes any shells already running under Terminal.app, although if you're there you can set the environment more directly, e.g. with export PATH=/opt/local/bin:/opt/local/sbin:$PATH for bash or zsh.
How to keeping changes after a reboot
To keep...
How to Update Multiple Array Elements in mongodb
...pdate each item individually
(events.0.handled events.1.handled
...) or...
Read the document, do the edits
manually and save it replacing the
older one (check "Update if
Current" if you want to ensure
atomic updates)
share
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