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How to hide a View programmatically?
...
You can call view.setVisibility(View.GONE) if you want to remove it from the layout.
Or view.setVisibility(View.INVISIBLE) if you just want to hide it.
From Android Docs:
INVISIBLE
This view is invisible, but it still take...
OceanBase使用libeasy原理源码分析：客户端 - 数据库(内核) - 清泛网 - 专...
...sy_list_t session_list_node;
//为了快速根据packet id定位到发送队列中的session，将session加入到发送队列中时，同时，将其加入到一个hash表中，hash表采用链表的方式将同一个bucket的元素连接起来，
//链表元素就是easy_...
What are database normal forms and can you give examples? [closed]
.... Recall that a primary key can be made up of multiple columns. As Chris said in his response:
The data depends on the key [1NF], the whole key [2NF] and nothing but the key [3NF] (so help me Codd).
2NF
Say you have a table containing courses that are taken in a certain semester, and you have the...
“int main (vooid)”? How does that work?
... function-declaration syntax; you're implicitly declaring an int parameter called vooid.
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R memory management / cannot allocate vector of size n Mb
...e but the output is relatively small, it can be a more memory-efficient to call the inner portion of the loop via Rscript (from a BASH or Python Script), and collate/aggregate the results afterwards in a different script. That way, the memory is completely freed after each iteration. There is a bit ...
How to retrieve Request Payload
...y);
$data then contains the json data is php array.
php://input is a so called wrapper.
php://input is a read-only stream that allows you to read raw data
from the request body. In the case of POST requests, it is preferable
to use php://input instead of $HTTP_RAW_POST_DATA as it does not...
chai test array equality doesn't work as expected
... it by defining the variable as an object (not array) prior to my function call:
var myAssocArray = {}; // not []
var expectedAssocArray = {}; // not []
expectedAssocArray['myKey'] = 'something';
expectedAssocArray['differentKey'] = 'something else';
// legacy function which returns associate ...
How to add local jar files to a Maven project?
...ws:
mvn install:install-file \
-Dfile=<path-to-file> \
-DgroupId=<group-id> \
-DartifactId=<artifact-id> \
-Dversion=<version> \
-Dpackaging=<packaging> \
-DgeneratePom=true
Where each refers to:
<path-to-file>: the path to the file to load ...
Best design for a changelog / auditing database table? [closed]
...rted from the very minimalistic design, like the one you described:
event ID
event date/time
event type
user ID
description
The idea was the same: to keep things simple.
However, it quickly became obvious that this minimalistic design was not sufficient. The typical audit was boiling down to qu...
Flask vs webapp2 for Google App Engine
...ed Dispatching as standard for all RequestHandlers (as flask documentation calls it and implements it since V0.7 in MethodViews). While in flask MethodViews are an add-on it is a core design principle for webapp2. So your software design will look different using both frameworks. Both frameworks use...