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Downcasting shared_ptr to shared_ptr?

...t". This will result in undefined behavior (a Derived* pointing at memory allocated for and initialized by Base) and will likely cause a crash, or worse. The reference count on base will be incremented. The dynamic_pointer_cast will result in a null pointer. The reference count on base will be u...
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Can you call ko.applyBindings to bind a partial view?

...nd a viewModel to the dynamic content that you load into your dialog. Overall, you just want to be careful not to call applyBindings multiple times on the same elements, as you will get multiple event handlers attached. sha...
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Two single-column indexes vs one two-column index in MySQL?

... "MySQL can use multiple-column indexes for queries that test all the columns in the index, or queries that test just the first column, the first two columns, the first three columns, and so on. If you specify the columns in the right order in the index definition, a single composite in...
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How to get first N elements of a list in C#?

...many C# versions later. For the specific case where you have a list. Especially if you are skipping many items. E.g. you have a list of one million items, and you want a slice of 5 of them, far into the list. GetRange knows exactly where to go to grab them. I don't know whether Skip + Take is as sma...
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When should I use git pull --rebase?

...Your local branch, into which you pull changes, and remote branch are, actually, different branches, and git pull is about merging them. It's reasonable, since you push not very often and usually accumulate a number of changes before they constitute a completed feature. However, sometimes--by what...
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What is the theoretical maximum number of open TCP connections that a modern Linux box can have

... client per server port, and needs clarifying. Each TCP/IP packet has basically four fields for addressing. These are: source_ip source_port destination_ip destination_port < client > < server > Inside the TCP stack, these four fields are used as a compou...
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What is the @Html.DisplayFor syntax for?

...or certain model attributes. Helpful question and answer guys, thanks. +1s all round. – Robin Winslow Aug 8 '12 at 13:25 ...
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Using npm behind corporate proxy .pac

...m config set https-proxy http://X.X.X.X:80 Now you should be able to install any package! share | improve this answer | follow | ...
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Why does Environment.Exit() not terminate the program any more?

... solved. And the program shuts down cleanly and reliably. The update installed patches for Windows Defender, wdboot.sys, wdfilter.sys, tcpip.sys, rpcrt4.dll, uxtheme.dll, crypt32.dll and wintrust.dll Uxtheme.dll is the odd-duck out. It implements the Visual Styles theming API and is used by this...
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nil detection in Go

... In addition to Oleiade, see the spec on zero values: When memory is allocated to store a value, either through a declaration or a call of make or new, and no explicit initialization is provided, the memory is given a default initialization. Each element of such a value is set to the zero valu...