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Difference between dispatch_async and dispatch_sync on serial queue?
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I think your get wrong order. first example is async which is the non-blocking version
– Bryan Chen
Nov 6 '13 at 21:07
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How can I increment a char?
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I came from PHP, where you can increment char (A to B, Z to AA, AA to AB etc.) using ++ operator. I made a simple function which does the same in Python. You can also change list of chars to whatever (lowercase, uppercase, etc.) is your need.
# Increment char (a -> b, az -> ba)
def inc_char...
How to fix SSL certificate error when running Npm on Windows?
...o certificate file>"
Full story
I've had to work with npm, pip, maven etc. behind a corporate firewall under Windows - it's not fun. I'll try and keep this platform agnostic/aware where possible.
HTTP_PROXY & HTTPS_PROXY
HTTP_PROXY & HTTPS_PROXY are environment variables used by lots ...
Declaring variables inside or outside of a loop
...f having to go all over your entire code base and tweak and hack things in order to squeeze clock cycles here and there.
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What is Dependency Injection and Inversion of Control in Spring Framework?
...ow how to call my code. This is achieved using events/delegates, callbacks etc. Here the Control of flow is "Inverted".
So, instead of depending the flow of control on statically bound objects, the flow depends upon the overall object graph and the relations between different objects.
Dependency I...
Handle Guzzle exception and get HTTP body
...gt;getResponse();
$responseBodyAsString = $response->getBody()->getContents();
}
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When do I need to use a semicolon vs a slash in Oracle SQL?
...e 1:
ORA-00942: table or view does not exist
The / is mainly required in order to run statements that have embedded ; like a CREATE PROCEDURE statement.
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Detect changes in the DOM
...to be the same.
Maybe if you're only interested in the elements and their order (as you mentioned in your question), a getElementsByTagName("*") can work. This will fire automatically if you add an element, remove an element, replace elements or change the structure of the document.
I wrote a pro...
Does Java 8 provide a good way to repeat a value or function?
...wenting To anyone with experience in FP, code which revolves around higher-order functions is a pure win. To anyone without that experience, it's time to upgrade your skills---or risk being left behind in the dust.
– Marko Topolnik
Aug 30 '13 at 12:14
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What does “atomic” mean in programming?
...aking the operation atomic consists in using synchronization mechanisms in order to make sure that the operation is seen, from any other thread, as a single, atomic (i.e. not splittable in parts), operation. That means that any other thread, once the operation is made atomic, will either see the val...