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Easiest way to detect Internet connection on iOS?
...ample on how to determine host reachability, reachability by WiFi, by WWAN etc. For a very simply check of network reachability, you can do something like this
Reachability *networkReachability = [Reachability reachabilityForInternetConnection];
NetworkStatus networkStatus = [networkReachabilit...
are there dictionaries in javascript like python?
... thought was missing and fixed some minor syntax issues (missing semicolon etc). Here's the modified fiddle: Dictionary in JSFiddle
– Matt
Oct 7 '13 at 13:21
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Using sed and grep/egrep to search and replace
...gular expression containing about 10 unions, so like:
.jpg | .png | .gif etc. This works well, now I would like to replace all strings found with .bmp
...
How to store date/time and timestamps in UTC time zone with JPA and Hibernate
... this way).
At startup, we do:
TimeZone.setDefault(TimeZone.getTimeZone("Etc/UTC"));
And set the desired timezone to the DateFormat:
fmt.setTimeZone(TimeZone.getTimeZone("Europe/Budapest"))
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Difference between object and class in Scala
...t much like a module, containing related/subsidiary types and definitions, etc.
It can implement an interface by extending a class or one or more traits.
It can represent a case of a sealed trait that contains no data. In this respect, it's often considered more correct than a case class with no par...
How does Google's Page Speed lossless image compression work?
...fullest, e.g. PNG8+a instead of PNG24+a, optimized Huffman tables in JPEG, etc.
Photoshop doesn't really try hard to do that when saving images for the web, so it's not surprising that any tool beats it.
See
ImageOptim (lossless) and
ImageAlpha (lossy) for smaller PNG files (high-level descrip...
Accessing the index in 'for' loops?
...tegers such as [, 1, 4, 0, 6, and so on against the indices 0, 1, 2, 3, 4 etc. (yes, the square brackets & comma are also being output as if they were part of the data itself). What is going wrong here?
– user12379095
May 15 at 15:51
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How to start working with GTest and CMake
...t is built as part of your main build, so it uses the same compiler flags, etc. and hence avoids problems like the ones described in the question.
There's no need to add the gtest sources to your own source tree.
Used in the normal way, ExternalProject won't do the download and unpacking at config...
How add “or” in switch statements?
...(myvar)
{
case 2:
case 5:
{
//your code
break;
}
// etc...
}
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How to join components of a path when you are constructing a URL in Python
...oining URLs. It it for resolving relative URLs as found in HTML documents, etc.
– OrangeDog
Aug 15 '16 at 10:27
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