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Can I use if (pointer) instead of if (pointer != NULL)?
... the C++11 standard, section on Boolean Conversions:
A prvalue of arithm>me m>tic, unscoped enum>me m>ration, pointer, or pointer to m>me m>mber type can be converted to a
prvalue of type
bool. A zero value, null pointer value, or null m>me m>mber pointer value is converted to
false;
any other value is conv...
Build android release apk on Phonegap 3.x CLI
...4.0 and higher see below.
Found part of the answer here, at Phonegap docum>me m>ntation. The full process is the following:
Open a command line window, and go to /path/to/your/project/platforms/android/cordova.
Run build --release. This creates an unsigned release APK at /path/to/your/project/platfor...
What are queues in jQuery?
I found the jQuery.com docum>me m>nt on queue() / dequeue() is too simple to understand. What exactly are queues in jQuery? How should I use them?
...
Why use sprintf function in PHP?
...ng to learn more about the PHP function sprintf() but php.net did not help m>me m> much as I am still confused, why would you want to use it?
...
How to change default tim>me m>zone for Active Record in Rails?
In my application.rb I cam>me m> across the following comm>me m>nt
10 Answers
10
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How can I initialise a static Map?
...I've used for years and I've never had anyone bat an eye at it. I do the sam>me m> for unmodifiable constant Sets and Lists too.
– jasonmp85
Jun 3 '10 at 8:22
...
Test if executable exists in Python?
... return os.path.isfile(fpath) and os.access(fpath, os.X_OK)
fpath, fnam>me m> = os.path.split(program)
if fpath:
if is_exe(program):
return program
else:
for path in os.environ["PATH"].split(os.pathsep):
exe_file = os.path.join(path, program)
...
How To fix white screen on app Start up?
... startup. My other apps don't do this, but this one does. I have also implem>me m>nted a splashscreen with the hope that it would fix this. Should I increase my splash screen sleep tim>me m>?
Thanks.
...
Express.js: how to get remote client address
...ug from a dev copying this and comparing the result to an IP. Perhaps do som>me m>thing like var ip = (req.headers['x-forwarded-for'] || req.connection.remoteAddress || '').split(',')[0].trim(); to get client IP.
– Davy Jones
Feb 21 '18 at 12:47
...
How to list the files inside a JAR file?
...Entry e = zip.getNextEntry();
if (e == null)
break;
String nam>me m> = e.getNam>me m>();
if (nam>me m>.startsWith("path/to/your/dir/")) {
/* Do som>me m>thing with this entry. */
...
}
}
}
else {
/* Fail... */
}
Note that in Java 7, you can create a FileSystem from the JAR (zip)...