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How to choose an AES encryption mode (CBC ECB CTR OCB CFB)?
... secure system.
Let me illustrate my point: Imagine you are building a web application and you need to store some session data. You could assign each user a session ID and store the session data on the server in a hash map mapping session ID to session data. But then you have to deal with this pesky...
Diagnosing Memory Leaks - Allowed memory size of # bytes exhausted
...will be ENORMOUS. The first time I ran an xdebug trace on a Zend Framework app it took a loooong time to run and generated a multi GB (not kb or MB... GB) sized file. Just be aware of this.
– rg88
May 11 '09 at 21:07
...
Calling Objective-C method from C++ member function?
...be mixed. If you want to keep them separate, you can set up a standard C wrapper function that gives the Objective-C object a usable C-style interface from non-Objective-C code (pick better names for your files, I have picked these names for verbosity):
MyObject-C-Interface.h
#ifndef __MYOBJECT_C_...
Collection was modified; enumeration operation may not execute
...
What's likely happening is that SignalData is indirectly changing the subscribers dictionary under the hood during the loop and leading to that message. You can verify this by changing
foreach(Subscriber s in subscribers.Values)
To
foreac...
Maven parent pom vs modules pom
.../
documentation/
myproject/
myproject-core/
myproject-api/
myproject-app/
pom.xml
pom.xml
A few bonus questions:
Where is the best place to define the various shared configuration as in source control, deployment directories, common plugins etc. (I'm assuming the parent but I'v...
retrieve links from web page using python and BeautifulSoup [closed]
....
There's no reason to use BeautifulSoup anymore, unless you're on Google App Engine or something where anything not purely Python isn't allowed.
lxml.html also supports CSS3 selectors so this sort of thing is trivial.
An example with lxml and xpath would look like this:
import urllib
import lxm...
Principles for Modeling CouchDB Documents
...ow you to request the post's unified output document this way: /db/_design/app/_list/posts/unified??start_key=["123412804910820"]&end_key=["123412804910820", {}, {}]&include_docs=true Your _list function (in this case named "unified") would take the results of the view map/reduce (in this ca...
How to debug Lock wait timeout exceeded on MySQL?
...ks a table, then sleeps while it waits for something non-MySQL-related to happen."
After re-re-reviewing the show engine innodb status log (once I'd tracked down the client responsible for the lock), I noticed the stuck thread in question was listed at the very bottom of the transaction list, benea...
How do I fix PyDev “Undefined variable from import” errors?
...Eclipse, do Project>Pydev>Remove error markers, and numpy should now appear in the Forced builtins.
– smci
Nov 1 '17 at 16:43
...
Best practices/guidance for maintaining assembly version numbers
...ers also mean different things depending on the context, is it an API, Web App, etc.
Major.Minor.Build.Revision
Revision This is the number taken from source control to identify what
was actually built.
Build This is an ever increasing number that can be used to find a
particular build on the bu...