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Converting bool to text in C++
... iostreams that are backed not by the console or a file, but by an automatically managed string buffer. They're called stringstreams. #include <sstream> to get them. Then we can say:
std::string bool_as_text(bool b)
{
std::stringstream converter;
converter << std::boolalpha &l...
How do I use Java to read from a file that is actively being written to?
...s code consumes a lot of CPU because the loop does not have a thread.sleep call in it. Without adding a small amount of delay this code tends to keep the CPU very busy.
– ChaitanyaBhatt
May 11 '17 at 22:31
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Express: How to pass app-instance to routes from a different file?
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Use req.app, req.app.get('somekey')
The application variable created by calling express() is set on the request and response objects.
See: https://github.com/visionmedia/express/blob/76147c78a15904d4e4e469095a29d1bec9775ab6/lib/express.js#L34-L35
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static constructors in C++? I need to initialize private static objects
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+1 (didn't try it out) But: When is ctor _init._init() called? Before or after the ctor of MyClass when I have a static MyClass object? I guess you can't tell...
– ur.
Jan 28 '10 at 16:18
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Error handling with node.js streams
... the data as it is piped through the stream. You may want to do some async calls, for example, or derive a couple of fields, remap some things, etc.
For how to create a transform stream see here and here. All you have to do is :
include the stream module
instantiate ( or inherit from) the...
Can I use jQuery with Node.js?
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Yes you can, using a library I created called nodeQuery
var Express = require('express')
, dnode = require('dnode')
, nQuery = require('nodeQuery')
, express = Express.createServer();
var app = function ($) {
$.on('ready', function () {
...
Why do we need boxing and unboxing in C#?
... it into o. o is a reference to something somewhere, and the int is emphatically not a reference to something somewhere (after all, it's just a number). So, what you do is this: you make a new object that can store the int and then you assign a reference to that object to o. We call this process "bo...
PHP exec() vs system() vs passthru()
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They have slightly different purposes.
exec() is for calling a system command, and perhaps dealing with the output yourself.
system() is for executing a system command and immediately displaying the output - presumably text.
passthru() is for executing a system command whic...
How do you add Boost libraries in CMakeLists.txt?
...h is default installed with CMake.
Upon finding Boost, the find_package() call will have filled many variables (check the reference for FindBoost.cmake). Among these are BOOST_INCLUDE_DIRS, Boost_LIBRARIES and Boost_XXX_LIBRARY variabels, with XXX replaced with specific Boost libraries. You can use...
Manual deployment vs. Amazon Elastic Beanstalk
...nd application server on the same machine/instance is not generally a good idea anyway.
In a PAAS system, the DBMS is a separate service. For Amazon, it would be Amazon RDS. Just like with Elastic Beanstalk, where you don't have to worry about the application server and you just upload your WAR fi...