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source command not found in sh shell
...unning RHEL and Ubuntu servers and I always have small issues such as this one with Ubuntu. I really like RHEL and RHEL like linux.
– radtek
Mar 14 '14 at 19:05
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Why doesn't Python have a sign function?
...nt sign this way, and it will still be compatible with the IEEE stuff mentioned by others:
>>> sign = functools.partial(math.copysign, 1) # either of these
>>> sign = lambda x: math.copysign(1, x) # two will work
>>> sign(-4)
-1.0
>>> sign(3)
1.0
>>> sig...
Show diff between commits
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also, if you really just want to see one file's diffs in those commits, git diff {x} {y} -- filename where {x} and {y} are any of those examples given. See also, git log -p, since there's some overlap.
– michael
Sep 24 '17 ...
Your content must have a ListView whose id attribute is 'android.R.id.list'
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You should have one listview in your mainlist.xml file with id as @android:id/list
<ListView
android:id="@android:id/list"
android:layout_height="wrap_content"
android:layout_height="fill_parent"/>
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Send attachments with PHP Mail()?
...o_attach , 'NameOfFile.pdf' );
return $email->Send();
It's just that one line $email->AddAttachment(); -- you couldn't ask for any easier.
If you do it with PHP's mail() function, you'll be writing stacks of code, and you'll probably have lots of really difficult to find bugs.
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How to set UITextField height?
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The default height of a UITextField is 31, for anyone adding one programatically and wanting it a default height
– simon_smiley
Jun 24 '14 at 5:11
2
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How do I get the dialer to open with phone number displayed?
I don't need to call the phone number, I just need the dialer to open with the phone number already displayed. What Intent should I use to achieve this?
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Check empty string in Swift?
In Objective C, one could do the following to check for strings:
14 Answers
14
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How to understand nil vs. empty vs. blank in Ruby
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As mentioned in the question, some non-empty strings count as blank.
– Andrew Grimm
May 20 '09 at 23:20
1
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How do the post increment (i++) and pre increment (++i) operators work in Java?
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Are you sure a == 9 in the second one?
– Pete Kirkham
Mar 3 '10 at 13:10
1
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