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Concurrent vs serial queues in GCD
...chronously in a background thread without freezing UI(e.g.refreshing OAuth Token and wait if it succeed or not).You need to wrap that method inside a asynchronous operation.This way your heavy operations are executed in the order and without Blocking main thread.
func doMultipleSyncTaskWithinAsynch...
How can I create a link to a local file on a locally-run web page?
... (e.g. local dev server) to a local file. forums.mozillazine.org/viewtopic.php?f=9&t=1730
– nuala
Feb 20 '16 at 23:30
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Check if a program exists from a Makefile
...some of the existing solutions here...
REQUIRED_BINS := composer npm node php npm-shrinkwrap
$(foreach bin,$(REQUIRED_BINS),\
$(if $(shell command -v $(bin) 2> /dev/null),$(info Found `$(bin)`),$(error Please install `$(bin)`)))
The $(info ...) you can exclude if you want this to be quiete...
How to detect when an Android app goes to the background and come back to the foreground
...rocess had been showing a user interface, and is no longer doing so. Large allocations with the UI should be released at this point to allow memory to be better managed.
Of course, you should implement this to actually do what it says (purge memory that hasn't been used in certain time, clear some...
How big can a user agent string get?
...ind the fastest hash algorithm that didn't produce any collisions. For my PHP environment I found md5 performed quickly at 2.3 seconds with no collisions. Interestingly I tried crc32 and crc32b and they also performed at 2.3 seconds with no collisions. But, because md5 has more combinations than c...
Breaking out of a nested loop
..... This syntax would be incompatible with the goto labels available in C#. PHP uses something else: break 3; Put the number of levels after the break statement.
– ygoe
Jun 27 '14 at 8:33
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Generate colors between red and green for a power meter?
...t how to improve a color algorithm i have for coloring a bar chart in HTML/PHP... SO suggested this question as similar and your answer helped me fix the issue without having to ask the question! Thanks!
– beggs
Jul 30 '09 at 3:49
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Using XPATH to search text containing
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Got to work this with PHP successfully as well: $col = $xpath->query("//p[text()=\"\xC2\xA0\"]");
– hakre
Jul 23 '11 at 17:37
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Best way to include CSS? Why use @import?
... files. When you include them as <link tags you can use existing minify php/dotnet/java modules to do the minification.
So: use <link /> instead of @import.
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Which Java Collection should I use?
...ndex, you access them by their key, which is any object. Like the array in PHP :)
Data in Map are searchable by their key.
Typical operation: get an element by its ID (where ID is of any type, not only int as in case of List).
The differences
Set vs. Map: in Set you search data by themselves, whi...
