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Client-server synchronization pattern / algorithm?
...urns for each record. When a client tries to save the record back, it will include the sequence number it received from the server. If the sequence number matches what's in the database at the time when the update is received, the update is allowed and the sequence number is incremented. If the sequ...
What is an application binary interface (ABI)?
... the ELF file format in the SysV ABI docs: The reason this information is included is because the ELF format defines the interface between operating system and application. When you tell the OS to run a program, it expects the program to be formatted in a certain way and (for example) expects the ...
Career day in kindergarten: how to demonstrate programming in 20 minutes? [closed]
...e fairly scared of anything related to programming and IT themselves, but bold enough to learn new tricks. I would have about 20-30 minutes, without projector or anything. They have an old computer though, which by its look may be a 486, and I am not even sure if it's functioning (Update: it isn't)....
Hide/Show Column in an HTML Table
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@RobotJohnny, I updated the code sample to include initialization handling as well. Just drop class='hide-col' anywhere you want in your html (probably in in the thead > tr > th makes the most sense and it will pick up to make sure it hides all cells in that co...
Are string.Equals() and == operator really same? [duplicate]
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Doesn't == also include a Object.ReferenceEquals check for a quick true if they are the same object?
– James Curran
Sep 9 '10 at 17:09
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How do search engines deal with AngularJS applications?
... Google webmaster tools' fetch as Googlebot. You will see your JavaScript (including Angular) is executed.
Bing
Here is Bing's announcement of support for pretty PushState URLs dated March 2013:
http://blogs.bing.com/webmaster/2013/03/21/search-engine-optimization-best-practices-for-ajax-urls/
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Case insensitive searching in Oracle
... the collation sequence for ordering and the various comparison operators, including = and LIKE. You can specify a binary, case-insensitive, sort by altering the session. This will mean that every query performed in that session will perform case-insensitive parameters.
alter session set nls_sort=B...
std::wstring VS std::string
...ely encoded in UTF-8 (i.e. Unicode string of chars). The following code:
#include <cstring>
#include <iostream>
int main(int argc, char* argv[])
{
const char text[] = "olé" ;
std::cout << "sizeof(char) : " << sizeof(char) << std::endl ;
std::cout <&l...
When to Redis? When to MongoDB? [closed]
...379-1111", "379-2574"] and not find the above; you can search for Accounts includes ["379-1111"] and find the above document; and you can search for Accounts includes any of ["974-3785","414-6731"] and find the above and whatever document includes account "974-3785", if any.
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