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How to prune local tracking branches that do not exist on remote anymore
...nch --merged master | grep -v '^[ *]*master$' | xargs git branch -d
More info.
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Get login username in java
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+1 you can print the System.properties to get a lot of informations the VM is initialized with
– Markus Lausberg
Apr 28 '09 at 12:15
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Write applications in C or C++ for Android? [closed]
...is can help you reuse code libraries written in those languages.
For more info on how to get started with native development, follow this link.
Sample applications can be found here.
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Find the number of downloads for a particular app in apple appstore [closed]
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There is no way to know unless the particular company reveals the info. The best you can do is find a few companies that are sharing and then extrapolate based on app ranking (which is available publicly). The best you'll get is a ball park estimate.
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Find out if ListView is scrolled to the bottom?
... Make your calculation stuff here. You have all your
// needed info from the parameters of this function.
// Sample calculation to determine if the last
// item is fully visible.
final int lastItem = firstVisibleItem + visibleItemCount;
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What is the “N+1 selects problem” in ORM (Object-Relational Mapping)?
...mode used for querying on Product is Select
Fetch mode (default): Supplier information is accessed
Caching does not play a role for the first time the
Supplier is accessed
Fetch mode is Select Fetch (default)
// It takes Select fetch mode as a default
Query query = session.createQuery( "from Prod...
Detect Windows version in .net
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System.Environment.OSVersion has the information you need for distinguishing most Windows OS major releases, but not all. It consists of three components which map to the following Windows versions:
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How to convert list of key-value tuples into dictionary?
...emantics. e.g. [(1,2), (1,3)] -> {1:3} would clobber your keys and lose info! A dict is a one-to-* relation with O(1) insert/delete time. List is a list.
– ninjagecko
Mar 20 '18 at 15:43
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makefile:4: *** missing separator. Stop
...appens accidentally it's far from evident. See my blog commentary for more information.
– Scott
Feb 26 '16 at 1:11
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SQL injection that gets around mysql_real_escape_string()
...s single bytes for escaping purposes even if the client had been correctly informed of the connection encoding and so this attack would still succeed. The bug was fixed in MySQL 4.1.20, 5.0.22 and 5.1.11.
But the worst part is that PDO didn't expose the C API for mysql_set_charset() until 5.3.6, so...