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How do I find out which DOM element has the focus?
...o tab onto the element. If you click on it then neither the jquery :focus selector nor the document.activeElement succeeds in returning what you clicked on (returning undefined and document body element respectively). PS I can't believe this thread is 2 years old and there are still regression pro...
When I catch an exception, how do I get the type, file, and line number?
..._info() into local variables, since if you get an exception in the except handler, the local vars could get kept in a circular reference and not GC'd. Best practice is to always just use slices off of sys.exc_info() instead. Or use other modules like traceback, as other posters have suggested.
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How do I concatenate multiple C++ strings on one line?
...;
std::string s = ss.str();
Take a look at this Guru Of The Week article from Herb Sutter: The String Formatters of Manor Farm
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server certificate verification failed. CAfile: /etc/ssl/certs/ca-certificates.crt CRLfile: none
...ts/ca-certificates.crt, which is where I had to add the certificate. Apart from that this answer was the first information pointing me in the right direction with this issue
– uli_1973
Jul 8 '15 at 15:28
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Sending a notification from a service in Android
...like this:
// prepare intent which is triggered if the
// notification is selected
Intent intent = new Intent(this, NotificationReceiver.class);
PendingIntent pIntent = PendingIntent.getActivity(this, 0, intent, 0);
// build notification
// the addAction re-use the same intent to keep the example...
How to print a list of symbols exported from a dynamic library
...elf to the requested “a simple way to list the symbols that are exported from a dylib file”. “nm -gU ….dylib” is, however.
– Slipp D. Thompson
Apr 27 '16 at 4:32
ad...
How do I get the directory that a program is running from?
...ic and filesystem-agnostic method to obtain the full path of the directory from where a program is running using C/C++? Not to be confused with the current working directory. (Please don't suggest libraries unless they're standard ones like clib or STL.)
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How do I run a node.js app as a background service?
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Copying my own answer from How do I run a Node.js application as its own process?
2015 answer: nearly every Linux distro comes with systemd, which means forever, monit, PM2, etc are no longer necessary - your OS already handles these tasks.
Mak...
Enabling ProGuard in Eclipse for Android
...to point to the
# "proguard-android-optimize.txt" file instead of this one from your
# project.properties file.
#To repackage classes on a single package
#-repackageclasses ''
#Uncomment if using annotations to keep them.
#-keepattributes *Annotation*
#Keep classes that are referenced on the Andr...
Can two applications listen to the same port?
...P address? Taking it a step further, can one app listen to requests coming from a certain IP and the other to another remote IP?
I know I can have one application that starts off two threads (or forks) to have similar behavior, but can two applications that have nothing in common do the same?
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