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smart pointers (boost) explained
...allum Watkins
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answered Feb 20 '09 at 15:19
Johannes Schaub - litbJohannes Schaub - litb
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“Instantiating” a List in Java? [duplicate]
...ayList<T>();
This is in contrast with .NET, where, since version 2.0, List<T> is the default implementation of the IList<T> interface.
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How to write inline if statement for print?
...ents. Only the a part is an expression. So if you write
print a if b else 0
it means
print (a if b else 0)
and similarly when you write
x = a if b else 0
it means
x = (a if b else 0)
Now what would it print/assign if there was no else clause? The print/assignment is still there.
And not...
How to create a self-signed certificate with OpenSSL
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You can do that in one command:
openssl req -x509 -newkey rsa:4096 -keyout key.pem -out cert.pem -days 365
You can also add -nodes (short for no DES) if you don't want to protect your private key with a passphrase. Otherwise it will prompt you for "at least a 4 characte...
Escape double quote character in XML
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27
Others have answered in terms of how to handle the specific escaping in this case.
A broader a...
How to set a selected option of a dropdown list control using angular JS
... in the control, updates the other. If item.selectedVariant has a value of 0, that item should get selected.
If variants is an array of objects, item.selectedVariant must be set to one of those objects. I do not know which information you have in your scope, but here's an example:
JS:
$scope.opti...
How to select lines between two marker patterns which may occur multiple times with awk/sed
... to trigger the print when necessary:
$ awk '/abc/{flag=1;next}/mno/{flag=0}flag' file
def1
ghi1
jkl1
def2
ghi2
jkl2
How does this work?
/abc/ matches lines having this text, as well as /mno/ does.
/abc/{flag=1;next} sets the flag when the text abc is found. Then, it skips the line.
/mno/{f...
Execution failed app:processDebugResources Android Studio
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108
For me it helped to change the version of buildTools to:
buildToolsVersion "21.0.1"
You will...
Explicitly select items from a list or tuple
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list( myBigList[i] for i in [87, 342, 217, 998, 500] )
I compared the answers with python 2.5.2:
19.7 usec: [ myBigList[i] for i in [87, 342, 217, 998, 500] ]
20.6 usec: map(myBigList.__getitem__, (87, 342, 217, 998, 500))
22.7 usec: itemgetter(87, 342, 217, 998, 500)...
Using LINQ to remove elements from a List
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answered May 12 '09 at 16:01
Jon SkeetJon Skeet
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