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Can I use if (pointer) instead of if (pointer != NULL)?
...Yes, you can. In fact, I prefer to use if(pointer) because it's simpler to read and write once you get used to it.
Also note that C++11 introduced nullptr which is preferred over NULL.
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impr...
Can JavaScript connect with MySQL?
...t’s a connector that can be called directly from your JavaScript code to read and write your data. As it accesses the data nodes directly, there is no extra latency from passing through a MySQL Server and need to convert from JavaScript code//objects into SQL operations. If for some reason, you’...
Prevent HTML5 video from being downloaded (right-click saved)?
...st pick the video from the cache instead of re-downloading (the video is already downloaded in the cache, why download it again?), thus there is no second request. the method above is applicable only when the link is reused.
– Joseph
Mar 18 '12 at 8:49
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Need to handle uncaught exception and send log file
...c void onCreate ()
{
// Setup handler for uncaught exceptions.
Thread.setDefaultUncaughtExceptionHandler (new Thread.UncaughtExceptionHandler()
{
@Override
public void uncaughtException (Thread thread, Throwable e)
{
handleUncaughtException (thread, e);
...
What is mod_php?
... You should enable it if PHP isn't currently working. If PHP is already working then it must be using CGI, in which case you'll probably need to do more than just enable the module. The module may not even exist on the system.
– d11wtq
Apr 26 '10 at 1...
How do I get logs/details of ansible-playbook module executions?
...Using callback plugins, you can have the stdout of your commands output in readable form with the play:
gist: human_log.py
Edit for example output:
_____________________________________
< TASK: common | install apt packages >
-------------------------------------
\ ^__^
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Android - Pulling SQlite database android device
...24 | python -c "import zlib,sys;sys.stdout.write(zlib.decompress(sys.stdin.read()))" | tar -xvf -
The result is the apps/app.package.name/ folder containing application data, including sqlite database.
For more details you can check the original blog post.
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Remove elements from collection while iterating
...then entirely replace the old one with it.
– Matthew Read
Mar 5 '19 at 19:52
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log4j logging hierarchy order
...n (at the end of the section) differs in treating OFF and ALL, well, after reading some of the source (not finding special cases) I doubt that their table is correct.
– Wolf
May 24 '18 at 9:58
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What is the need of JSF, when UI can be achieved with JavaScript libraries such as jQuery and Angula
I was reading about JSF that its a UI framework and provides some UI components. But how is it better or different from number of components that are available from jQueryUI, AngularJS, ExtJS, or even plain HTML, CSS and JavaScript.
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