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android button selector
...;/selector>
For more information i implemented using this link
http://www.blazin.in/2016/03/how-to-use-selectors-for-botton.html
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How can I check if a value is a json object?
...their functions "success" and "error". Example:
$.ajax({
url: 'http://www.something.com',
data: $('#formId').serialize(),
method: 'POST',
dataType: 'json',
// "sucess" will be executed only if the response status is 200 and get a JSON
success: function (json) {},
// "err...
Get environment variable value in Dockerfile
...th=\"50\" height=\"18\" viewBox=\"0 0 50 18\" fill=\"none\" xmlns=\"http://www.w3.org/2000/svg\"\u003e\u003cpath d=\"M46.1709 9.17788C46.1709 8.26454 46.2665 7.94324 47.1084 7.58816C47.4091 7.46349 47.7169 7.36433 48.0099 7.26993C48.9099 6.97997 49.672 6.73443 49.672 5.93063C49.672 5.22043 48.9832 4...
ant warning: “'includeantruntime' was not set”
...at always sets includeantruntime="false".
Additional Details
From http://www.coderanch.com/t/503097/tools/warning-includeantruntime-was-not-set:
That's caused by a misfeature
introduced in Ant 1.8. Just add an
attribute of that name to the javac
task, set it to false, and forget it
eve...
How to print SQL statement in codeigniter model
...this->output->enable_profiler(TRUE);
Profiling user guide:
https://www.codeigniter.com/user_guide/general/profiling.html
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Why does SIGPIPE exist?
...
https://www.gnu.org/software/libc/manual/html_mono/libc.html
This link says:
A pipe or FIFO has to be open at both ends simultaneously. If you read from a pipe or FIFO file that doesn't have any processes writing to it (perhaps bec...
In C++, what is a “namespace alias”?
...ithin that namespace. ie std::string becomes string.
my resource: https://www.quora.com/What-is-namespace-in-C++-1
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Insert a line break in mailto body
...th=\"50\" height=\"18\" viewBox=\"0 0 50 18\" fill=\"none\" xmlns=\"http://www.w3.org/2000/svg\"\u003e\u003cpath d=\"M46.1709 9.17788C46.1709 8.26454 46.2665 7.94324 47.1084 7.58816C47.4091 7.46349 47.7169 7.36433 48.0099 7.26993C48.9099 6.97997 49.672 6.73443 49.672 5.93063C49.672 5.22043 48.9832 4...
Why '&&' and not '&'?
... There is also evidence of this in decompiled mscorlib code.
Just because .NET shields you from this type of thing doesn't mean it's not important. A branch mis-prediction is horribly expensive at 60 Hz; or at 10,000 requests/second.
Intel wouldn't have tools to identify the location of mis-predicti...
Difference Between Schema / Database in MySQL
...
PostgreSQL supports schemas, which is a subset of a database:
https://www.postgresql.org/docs/current/static/ddl-schemas.html
A database contains one or more named schemas, which in turn contain
tables. Schemas also contain other kinds of named objects, including
data types, functions, ...