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Check if a path represents a file or a folder
...ath for file or a directory. What are valid directory names in Android? As it comes out, folder names can contain '.' chars, so how does system understand whether there's a file or a folder?
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what is the difference between OLE DB and ODBC data sources?
...LE DB provides the following features
Access to data regardless of its format or location
Full access to ODBC data sources and ODBC drivers
So it would seem that OLE DB interacts with SQL-based datasources THRU the ODBC driver layer.
I'm not 100% sure this image is correct. The...
How to install an APK file on an Android phone?
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I quote Hello Android because I can't say it better ;-)
You need to enable USB debugging on the phone itself (by starting the Settings application and selecting Applications > Development > USB Debugging), install the Android USB device driver if you haven’t...
Take a full page screenshot with Firefox on the command-line
... Tools > Web Developer > Developer Toolbar to open a command line. Write:
screenshot
and press Enter in order to take a screenshot.
To fully answer the question, you can even save the whole page, not only the visible part of it:
screenshot --fullpage
And to copy the screenshot to clipbo...
Using module 'subprocess' with timeout
Here's the Python code to run an arbitrary command returning its stdout data, or raise an exception on non-zero exit codes:
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Avoiding instanceof in Java
... "code smell". The standard answer is "use polymorphism". How would I do it in this case?
9 Answers
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“Delegate subtraction has unpredictable result” in ReSharper/C#?
...delegate was removed. An event doesn't guarantee an order of execution for its subscribers, so it doesn't really affect you either.
Since the above mechanics can lead to unpredictable results, ReSharper issues a warning whenever it encounters a delegate subtraction operator.
ReSharper is issui...
With bash, how can I pipe standard error into another process?
It's well known how to pipe the standard ouput of a process into another processes standard input:
5 Answers
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URL encoding in Android
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You don't encode the entire URL, only parts of it that come from "unreliable sources".
String query = URLEncoder.encode("apples oranges", "utf-8");
String url = "http://stackoverflow.com/search?q=" + query;
Alternatively, you can use Strings.urlEncode(String str) of Dr...
Laravel requires the Mcrypt PHP extension
...ffer. Run php -m in your terminal and check to see if mcrypt is listed. If it's not then check where the command line is loading your php.ini file from by running php --ini from your terminal.
In this php.ini file you can enable the extension.
OSX
I have heard of people on OSX running in to probl...