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Why do we usually use || over |? What is the difference?
... won't.
In addition, | can be used to perform the bitwise-OR operation on byte/short/int/long values. || cannot.
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How to center a button within a div?
...tton> Simple Button </button>
</div>
</div>
By adding this css code line to the h2 tag or to the div tag that holds the button tag
style:" text-align:center; "
Finaly The result code will be :
<div style="background-color:green; height:200px; width:400px; m...
PHP check whether property exists in object or class
... @b_dubb no, empty array, 0, false, null, '' all return true by `empty()'
– Peter
Jan 21 '19 at 20:26
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If list index exists, do X
...returned
# from that relative index from the end of the list...
However, by definition, all items in a Python list between 0 and len(the_list)-1 exist (i.e., there is no need for a try, except if you know 0 <= index < len(the_list)).
You can use enumerate if you want the indexes between 0 ...
System.BadImageFormatException: Could not load file or assembly (from installutil.exe)
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I don't know what you mean by the 32-bit version but I tried the one here and it did not work either C:\Windows\Microsoft.NET\Framework\v2.0.50727
– user2568374
Jun 18 '19 at 0:00
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Finish an activity from another activity
...p. however it still won't be my first choice when doing something similar. by cleanup code i meant a way to get rid of the static reference so there is no memory leaking, but that depends on the app structure.
– DArkO
Apr 30 '12 at 9:30
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Rails: How to reference images in CSS within Rails 4
...he assets/images/ directory:
Example:
app/assets/images/mypic.png
In Ruby:
asset_path('mypic.png')
In .scss:
url(asset-path('mypic.png'))
UPDATE:
Figured it out- turns out these asset helpers come from the sass-rails gem (which I had installed in my project).
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Xcode 6 Bug: Unknown class in Interface Builder file
...nswered Jul 24 '14 at 4:09
Epic ByteEpic Byte
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Deep copying an NSArray
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Copy by default gives a shallow copy
That is because calling copy is the same as copyWithZone:NULL also known as copying with the default zone. The copy call does not result in a deep copy. In most cases it would give you a shall...
Git says “Warning: Permanently added to the list of known hosts”
...eason? Check the fingerprint in the file vs the fingerprint that is output by ssh. Also, is the mode of your .ssh directory set to 0700?
– Jason Carreiro
Feb 23 '12 at 15:06
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