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What does the LayoutInflater attachToRoot parameter mean?
...e attached to any other layout (so it won't be drawn, receive touch events etc).
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How often does python flush to a file?
... mean data loss if that copy never gets written (disk removed, OS crashes, etc). flush() tells Python to immediately write that buffer back to disk. (Then, os.fsync() tells the OS to also do it. There are many layers of buffers...)
– Rena
Jan 11 at 20:57
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How to configure an existing git repo to be shared by a UNIX group
...rm this also helps if you're in a mess because someone has done a git pull etc. as root rather than as www-data or whatever the owner is and as a result you get error: insufficient permission for adding an object to repository database .git/objects. I thought I'd fixed the ownership of all files/di...
How to copy an object in Objective-C
...lways, it's not what you want. Objects have internal state, other objects, etc, and often make assumptions that they're the only ones holding references to that data. Bitwise copies break this assumption.
A deep, logical copy. In this, we make a copy of the object, but without actually doing it bit ...
Assign pandas dataframe column dtypes
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For those coming from Google (etc.) such as myself:
convert_objects has been deprecated since 0.17 - if you use it, you get a warning like this one:
FutureWarning: convert_objects is deprecated. Use the data-type specific converters
pd.to_datetime, p...
How the single threaded non blocking IO model works in Node.js
...l open/read/write operation on devices and resources (sockets, filesystem, etc.) managed by the file-system don't block the calling thread (as in the typical synchronous c-like model) and just mark the process (in kernel/OS level data structure) to be notified when new data or events are available. ...
Cookies vs. sessions
... reach and get your information (because of 1)
Expiration can be set (see setcookies() for more information)
Session is preferred when you need to store short-term information/values, such as variables for calculating, measuring, querying etc.
Cookies is preferred when you need to store long-term...
How to track down a “double free or corruption” error
...rs you can check this or this or any modern c++ compilers (e.g. gcc, clang etc.) documentations.
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Backing beans (@ManagedBean) or CDI Beans (@Named)?
...ed artifact like @WebListener, @WebFilter, @WebServlet, @Path, @Stateless, etc and even a JSF @ManagedBean. From the other side on, @ManagedProperty does not work inside a @Named or any other container managed artifact. It works really only inside @ManagedBean.
Another difference is that CDI actuall...
What's the best way of structuring data on firebase?
...-time nature of the data (it's constantly changing, sharding, reconciling, etc, which requires a simpler internal model to keep the synchronized clients in check)
A simple example will probably set you in the right state of mind, so here goes:
/users/uid
/users/uid/email
/users/uid/messages
/users...