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C++ Const Usage Explanation
... int const * const Method3(int const * const&) const;
then read it from right to left.
#5 says that the entire function declaration to the left is const, which implies that this is necessarily a member function rather than a free function.
#4 says that the pointer to the left is const (may...
How to detect Safari, Chrome, IE, Firefox and Opera browser?
...Notification, which was introduced after version 7.1, to cover all Safaris from 3.0 and upwards.
Opera: window.opera has existed for years, but will be dropped when Opera replaces its engine with Blink + V8 (used by Chromium).
Update 1: Opera 15 has been released, its UA string looks like Chrome, bu...
UTF-8 all the way through
...set the connection charset to utf8mb4. This way, MySQL does no conversion from its native UTF-8 when it hands data off to your application and vice versa.
Some drivers provide their own mechanism for configuring the connection character set, which both updates its own internal state and informs My...
Using build types in Gradle to run same app that uses ContentProvider on one device
...y, if you need to customise some values for different builds you can do it from the build.gradle file:
use buildConfigField to access it from the BuildConfig.java class
use resValue to access it from resources e.g. @string/your_value
As an alternative for resources, you can create separate buildTy...
Find and restore a deleted file in a Git repository
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From the windows command line I got an error. error: pathspec <filename> did not match any file(s) known to git.. The solution was to use git bash.
– donturner
Jul 26 '12 at 18:07
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How to attribute a single commit to multiple developers?
...uthor Alice --author Bob
Those names will be shown in the log separately from committer name.
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difference between socket programming and Http programming
...basically means that HTTP itself can't be used to transport information to/from a remote end point. Instead it relies on an underlying protocol which in HTTP's case is TCP.
You can read more about OSI layers if you are interested.
Sockets on the other hand are an API that most operating systems ...
Fixing JavaScript Array functions in Internet Explorer (indexOf, forEach, etc.) [closed]
...g silly like pass non-function callbacks or non-integer indexes, but apart from that it attempts to be standards-compliant. (Let me know if I've missed anything. ;-))
'use strict';
// Add ECMA262-5 method binding if not supported natively
//
if (!('bind' in Function.prototype)) {
Function.prot...
Nullable type as a generic parameter possible?
... original code – remove the where constraint, and change the last return from return null to return default(T). This way you can return whatever type you want.
By the way, you can avoid the use of is by changing your if statement to if (columnValue != DBNull.Value).
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Attempt to present UIViewController on UIViewController whose view is not in the window hierarchy
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Where are you calling this method from? I had an issue where I was attempting to present a modal view controller within the viewDidLoad method. The solution for me was to move this call to the viewDidAppear: method.
My presumption is that the view controller...