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What is NoSQL, how does it work, and what benefits does it provide? [closed]
...eplacement for more mainstream SQL databases, but a couple of words are in order to get things in the right perspective.
At the very heart of the NoSQL philosophy lies the consideration that, possibly for commercial and portability reasons, SQL engines tend to disregard the tremendous power of the...
Android: how to check if a View inside of ScrollView is visible?
...it is always returning false. Please let me know
– KK_07k11A0585
Jun 15 '15 at 14:57
2
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Why should I avoid multiple inheritance in C++?
...ot being able to explicitly inherit multiple times from a single
class
Order of inheritance changing class semantics.
Multiple inheritance in languages with
C++/Java style constructors
exacerbates the inheritance problem of
constructors and constructor chaining,
thereby creating ...
CALL command vs. START with /WAIT option
...option is to avoid creating another window, the empty quotes are needed in order to the command to work, see the reference below.
Note that if you don´t use the /WAIT in the start, the LongRunningTask will be executed at the same time than the remaining commands in the batch file, so it might crea...
How to wait 5 seconds with jQuery?
...
Use a normal javascript timer:
$(function(){
function show_popup(){
$("#message").slideUp();
};
window.setTimeout( show_popup, 5000 ); // 5 seconds
});
This will wait 5 seconds after the DOM is ready. If you want to wait until the page is actually loaded you need to u...
The written versions of the logical operators
...al Studio (as of VS2013), you must set a specific compiler option (/Za) in order to support the alternative keywords (see stackoverflow.com/a/555524/368896). That presumably also has other impacts. So, in Visual Studio, it's not necessarily safe to take this advice.
– Dan Nis...
How do I clear/delete the current line in terminal?
... Cut word before the cursor
Ctrl+y Paste the last deleted command
Ctrl+_ Undo
Ctrl+u Cut everything before the cursor
Ctrl+xx Toggle between first and current position
Ctrl+l Clear the terminal
Ctrl+c Cancel the command
Ctrl+r Search command in history - type the search term
Ctrl+j End...
GitHub authentication failing over https, returning wrong email address
...
Note that you can store and encrypt your credentials in a .netrc.gpg (or _netrc.gpg on Windows) if you don't want to put said credentials in clear in the url.
See "Is there a way to skip password typing when using https://github".
...
WARNING: Can't verify CSRF token authenticity rails
...
You should do this:
Make sure that you have <%= csrf_meta_tag %> in your layout
Add beforeSend to all the ajax request to set the header like below:
$.ajax({ url: 'YOUR URL HERE',
type: 'POST',
beforeSend: function(xhr) {xhr.setRequestHeader('X-CSRF-Token', $('meta[...
How does the socket API accept() function work?
.... This was done to improve per-packet performance: computers were several orders of magnitude slower in those days.
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