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Sqlite or MySql? How to decide? [closed]
... Those three points are exactly what Richard Hipp says at: youtu.be/Jib2AmRb_rk?t=1693
– Ciro Santilli 郝海东冠状病六四事件法轮功
Nov 25 '15 at 16:10
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How to change the output color of echo in Linux
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Doesn't work for me -- output: \e[0;31mHello Stackoverflow\e[0m
– Ben Harold
May 9 '13 at 22:01
179
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Determining memory usage of objects? [duplicate]
I'd like to work out how much RAM is being used by each of my objects inside my current workspace. Is there an easy way to do this?
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valueOf() vs. toString() in Javascript
...ult of valueOf, not to your original object.
For further reference, check out section 11.6.1 The Addition operator ( + ) in the ECMAScript Language Specification.
*When called in string context, ToPrimitive does invoke toString, but this is not the case here, because '+' doesn't enforce any type...
to remove first and last element in array
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@RC. Just want to inform User about actual work of function. I am questioning on your answer.
– Jubin Patel
Jan 15 '15 at 6:40
2
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What is the best way to use a HashMap in C++?
...;
// check if key is present
if (m.find("world") != m.end())
std::cout << "map contains key world!\n";
// retrieve
std::cout << m["hello"] << '\n';
std::map<std::string, int>::iterator i = m.find("hello");
assert(i != m.end());
std::cout << "Key: " <...
How to get first character of a string in SQL?
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I don't know about SQL server, but logically a database server may be able to optimise LEFT better than SUBSTRING when it is using an index.
– thomasrutter
Apr 27 '09 at 5:26
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CSS selector for “foo that contains bar”? [duplicate]
...S3, but that only selects textual content, not tags or elements, so you're out of luck.
A simpler way to select a parent with specific children in jQuery can be written as (with :has()):
$('#parent:has(#child)');
share
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How to get root view controller?
...ay to do it, you can call this from anywhere, it returns optional so watch out about that:
/// EZSwiftExtensions - Gives you the VC on top so you can easily push your popups
var topMostVC: UIViewController? {
var presentedVC = UIApplication.sharedApplication().keyWindow?.rootViewController
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How to kill a process on a port on ubuntu
..., type:
sudo netstat -lpn |grep :8080
and press Enter.
You will get an output similar to this one
tcp6 0 0 :::8080 :::* LISTEN 6782/java
2- I have got the process Id, which is 6782, now this is the process that is using port 8080.
3- Kill th...