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What is the use of making constructor private in a class?

...ared public, others private. For reducing code size, public constructors 'call' private constructors which in turn do all the work. Your public constructors are thus called delegating constructors: class MyClass { public: MyClass() : MyClass(2010, 1, 1) { } private: MyClass(int theYear, int th...
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Nginx reverse proxy causing 504 Gateway Timeout

...nd it had to do with not using a keep-alive on the connection. I can't actually answer why this is but, in clearing the connection header I solved this issue and the request was proxied just fine: server { location / { proxy_set_header X-Real-IP $remote_addr; proxy_set_header ...
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Python locale error: unsupported locale setting

... Run following commands export LC_ALL="en_US.UTF-8" export LC_CTYPE="en_US.UTF-8" sudo dpkg-reconfigure locales It will solve this. Make sure to match the .UTF-8 part to the actual syntax found in the output of locale -a e.g. .utf8 on some systems. ...
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How to make a in Bootstrap look like a normal link in nav-tabs?

...around them which messes up the layout. BUT you can fix that by adding a small amount of CSS (see @mcNux answer below) – Martin CR Feb 22 at 17:21 ...
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jQuery .on function for future elements, as .live is deprecated [duplicate]

... click event of future <div> elements, that don't exist yet. Normally, I would use jQuery's .live function to handle this, but it seems that it is now deprecated in favor of .on . ...
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Using boolean values in C

... @NoBody Using a smaller type can save on memory, but it might not make it any faster. Often, it's faster to use the processor's native word size instead of a smaller size as it could require the compiler to make bit shifts to align it properly...
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How do I get the type of a variable?

... I totally disagree. Java, C#, PHP, Perl, Python and so on were designed in C and C++ and they are not caterpillars. (When you create an database application to open variable tables from 'unknown' databases you need to control fiel...
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ADB Android Device Unauthorized

Since I reinstalled Eclipse (simply deleted and downloaded it again) I can't debug my applications on Samsung Galaxy i9001 (with CyanogenMod - Android 4.4.2). It worked fine before reinstallation. ...
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filtering NSArray into a new NSArray in Objective-C

... edited Jan 17 '18 at 6:45 Niall Kiddle 1,22911 gold badge1010 silver badges2929 bronze badges answered Sep 21 '08 at 5:43 ...
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GLib compile error (ffi.h), but libffi is installed

... If you have a Debian-based Linux OS with apt-get: sudo apt-get install libffi-dev With a Redhat-base OS: yum install libffi-devel With Alpine Linux: apk add libffi-dev share | improve...