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Why fragments, and when to use fragments instead of activities?
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updated question . it now has links to the videos of google. also, thanks for the explanation, but i still need clarification about my question.
– android developer
May 7 '12 at 11:04
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Xcode suddenly stopped running project on hardware: “Could not launch xxx.app: .. No such file..” [c
...code/DerivedData/-gbrvhlvwmpiobxdujegtghggrffp - or something like that)
Now start Xcode once again, connect device and run the project. It should work fine.
from DhilipSiva blog
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How JavaScript closures are garbage collected
...ndow.f_ = f();
window.f_('some');
In example above the GC has no way of knowing if the variable is used or not (code tested and works in Chrome30, FF25, Opera 12 and IE10).
The memory is released if the reference to the object is broken by assigning another value to window.f_.
In my opinion this...
How to print the full traceback without halting the program?
...ever, a best practice is to have a logger set up for your module. It will know the name of the module and be able to change levels (among other attributes, such as handlers)
import logging
logging.basicConfig(level=logging.DEBUG)
logger = logging.getLogger(__name__)
In which case, you'll want the l...
Generate pdf from HTML in div using Javascript
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No, as far as I know, classes are no valid selectors at the moment as stated in their examples: "we support special element handlers. Register them with jQuery-style ID selector for either ID or node name. ("#iAmID", "div", "span" etc.) There...
Django-DB-Migrations: cannot ALTER TABLE because it has pending trigger events
...en create the schema migration:
manage.py schemamigration fooapp --auto
Now you have two transactions and the migration in two steps should work.
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How can I backup a remote SQL Server database to a local drive?
...chema only' to 'Schema and data'
In 2014: the option to script the data is now "hidden" in step "Set Scripting Options", you have to click the "Advanced" and set "Types of data to script" to "Schema and data" value
In the next four windows, hit 'select all' and then next,
Choose to script to a new ...
Run an Application in GDB Until an Exception Occurs
...mes catch is not the best way to debug exception handling: if you need to know exactly where an exception is raised, it is better to stop before the exception handler is called, since that way you can see the stack before any unwinding takes place. If you set a breakpoint in an exception handler ins...
HTML in string resource?
I know I can put escaped HTML tags in string resources. However, looking at the source code for the Contacts application I can see that they have a way of not having to encode the HTML. Quote from the Contacts application strings.xml :
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Difference between java.util.Random and java.security.SecureRandom
...l purposes. This also means that your random numbers are predictable right now, something you don't want for session IDs and the like.
How to break a Linear Congruential Generator
The assumption that an attacker would have to wait for the LCG to repeat after a full cycle is wrong. Even with an opt...