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Android Fragment lifecycle over orientation changes
...know the instance will be saved after the fragment is created and added? I mean hat if a user rotates just before Fragment is being added? We will still have non-null savedInstanceState that doesn't contain fragment state
– Farid
Aug 16 '19 at 12:23
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What are the differences between a clustered and a non-clustered index?
...n index read AND THEN the table read. It's faster to range scan (if that's meaningful) because the data is stored in order. i.e. the clustering factor is perfect.
– Stephanie Page
Apr 27 '12 at 2:52
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Get $_POST from multiple checkboxes
...box" value="checked">
Where [1] [2] [3] are the IDs of your messages, meaning that you will echo your $row['Report ID'] in their place.
Then, when you submit the form, your PHP array will look like this:
print_r($check_list)
[1] => checked
[3] => checked
Depending on which were checke...
Actual meaning of 'shell=True' in subprocess
...nd tell it to run the command. In other words, using an intermediate shell means that variables, glob patterns, and other special shell features in the command string are processed before the command is run. Here, in the example, $HOME was processed before the echo command. Actually, this is the cas...
How to get nice formatting in the Rails console
... v2.0 will require Ruby v1.9.3 or later and Rails v3.0 or later. Does this mean that the gem is outdated with these versions and cause conflicts??
– ltdev
Feb 6 '17 at 15:17
a...
What's the difference between utf8_general_ci and utf8_unicode_ci?
...e" respectively).
Some Unicode characters are defined as ignorable, which means they shouldn't count toward the sort order and the comparison should move on to the next character instead. utf8mb4_unicode_ci handles these properly.
In non-latin languages, such as Asian languages or languages with...
How do I make and use a Queue in Objective-C?
... NSArray (and NSMutableArray by extension) is a class cluster, meaning it has several private implementations that may be used interchangeably behind the scenes. The one you get usually depends on the number of elements. Also, Apple is free to change the details of any given implementati...
What does “xmlns” in XML mean?
...p://schemas.android.com/apk/res/android:foo /> with regards to what it "means" when an XML parser reads the document.
NOTE: You cannot actually use the full namespace URI in place of the namespace prefix in an XML instance document.
Check out this tutorial on namespaces: http://www.sitepoint.c...
How to set a Fragment tag by code?
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I got what you mean. Thanks!
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Input text dialog Android
...ht be worth noting that, like most Android UI, this is all asynchronous... meaning it won't wait for the user to tap OK unless you have something making that the gate to the next step...
– ewall
Jul 9 '16 at 0:15
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