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How to list files in an android directory?
...gt; your app --> permissions --> enable storage. Should do this manually if you are facing this error. Make sure that you have <uses-permission android:name="android.permission.READ_EXTERNAL_STORAGE" /> in your manifest. For the people who are facing NullPointerException - you are tryin...
Move assignment operator and `if (this != &rhs)`
In the assignment operator of a class, you usually need to check if the object being assigned is the invoking object so you don't screw things up:
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How to increment a pointer address and pointer's value?
...ou're incrementing it as if you were iterating in an array.
So, to sum it all up:
ptr++; // Pointer moves to the next int position (as if it was an array)
++ptr; // Pointer moves to the next int position (as if it was an array)
++*ptr; // The value of ptr is incremented
++(*ptr); // The va...
DateTime format to SQL format using C#
...swer several times, newbies like me can't relate because of this. Sorry to All, I'll close the question as soon as I am able.
– Ace Caserya
Jul 2 '13 at 6:11
1
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How to center an iframe horizontally?
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HTML:
<div id="all">
<div class="sub">div</div>
<iframe>ss</iframe>
</div>
CSS:
#all{
width:100%;
float:left;
text-align:center;
}
div.sub, iframe {
width: 100px;
height: 50px;...
top nav bar blocking top content of the page
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Perfect. This should really be integrated into bootstrap somehow. You should fork and submit a pull request.
– brittohalloran
Jul 27 '12 at 13:57
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How to remove trailing whitespaces with sed?
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hm. its also buggy in the sense that it will remove all trailing "t"s :)
– Good Person
Aug 1 '14 at 2:30
2
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IOS 7 Navigation Bar text and arrow color
I want to set background for Navigation Bar to be black and all colors inside it to be white .
11 Answers
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ActionBarCompat: java.lang.IllegalStateException: You need to use a Theme.AppCompat
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Excellent, I missed this. Don't forget all the other -vXX folders as well, or it'll work fine in your test env, only to bite you once someone uses one of those versions.
– falstro
Jan 20 '14 at 11:27
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What happens to C# Dictionary lookup if the key does not exist?
... @nawfal: I see no indication that that question states that at all. It says it's doing more work than ContainsKey, which is true, because it has to extract the value as well. It's not doing two lookups though.
– Jon Skeet
Dec 2 '12 at 17:56
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