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Why does C++11's lambda require “mutable” keyword for capture-by-value, by default?
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232
It requires mutable because by default, a function object should produce the same result every ...
rgdal package installation
...file update
Then, when you get an error such as :
configure: error: proj_api.h not found in standard or given locations.
You can use the following command to find which package you must install to get the missing file :
$ apt-file search proj_api.h
libproj-dev: /usr/include/proj_api.h
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How to run only one local test class on Gradle
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32
Recent versions (starting from 1.10 or so) support a --tests command line option, which is set to replace -DtestTaskName.single.
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C# catch a stack overflow exception
I have a recursive call to a method that throws a stack overflow exception. The first call is surrounded by a try catch block but the exception is not caught.
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how to detect search engine bots with php?
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Here's a Search Engine Directory of Spider names
Then you use $_SERVER['HTTP_USER_AGENT']; to check if the agent is said spider.
if(strstr(strtolower($_SERVER['HTTP_USER_AGENT']), "googlebot"))
{
// what to do
}
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mysql -> insert into tbl (select from another table) and some default values [duplicate]
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INSERT INTO offer_masti.city (NULL, '1', '1', citydb.city_name, NULL, CURRENT_TIMESTAMP, CURRENT_TIMESTAMP) select test.cities.city as city_name from test.cities as citydb; i am using this query it give me error can any one help me to solve...
Difference between id and name attributes in HTML
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32
To put it very informally, id is what your frontend (CSS, JS) works with, while name is what your server receives and can then process. Thi...
How to turn on/off ReactJS 'development mode'?
...tely the magic comes down to React embedding references to process.env.NODE_ENV throughout the codebase; these act like a feature toggle.
if (process.env.NODE_ENV !== "production")
// do propType checks
The above is the most common pattern, and other libraries follow it as well. So to "disable" t...
Automatic HTTPS connection/redirect with node.js/express
I've been trying to get HTTPS set up with a node.js project I'm working on. I've essentially followed the node.js documentation for this example:
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htmlentities() vs. htmlspecialchars()
What are the differences between htmlspecialchars() and htmlentities() . When should I use one or the other?
12 Answers
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