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How to go back to lines edited before the last one in Vim?
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Try g ; and g ,. They jump backward and forward in the changelist.
See :help changelist for more details.
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fo...
Get lengths of a list in a jinja2 template
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Can we check for undefined too? I have to use {% if products is none ... %} which is quite tiring
– Nam G VU
Aug 21 '17 at 4:28
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Difference between save and saveAndFlush in Spring data jpa
...bably use some sort of transactions mechanism, which issues commit command for you if everything works out fine.
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Ruby on Rails patterns - decorator vs presenter
...or pattern is an example of the open/close principle (the class is closed for modifications, but available for extensions).
Both the exhibit and presenter patterns are a kind of the decorator pattern.
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Loop through Map in Groovy?
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Alternatively you could use a for loop as shown in the Groovy Docs:
def map = ['a':1, 'b':2, 'c':3]
for ( e in map ) {
print "key = ${e.key}, value = ${e.value}"
}
/*
Result:
key = a, value = 1
key = b, value = 2
key = c, value = 3
*/
One benefit ...
Target elements with multiple classes, within one rule
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.border-blue.background { ... } is for one item with multiple classes.
.border-blue, .background { ... } is for multiple items each with their own class.
.border-blue .background { ... } is for one item where '.background' is the child of '.border-blue'.
See ...
Adding System.Web.Script reference in class library
...rence to that assembly in your class library project.
You can find this information at top of the MSDN page for the ScriptIgnoreAttribute class.
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How can I remove the string “\n” from within a Ruby string?
... either the .delete or .tr String method to delete the newlines.
See here for more info
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Read file data without saving it in Flask
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f.read() didn't yield anything for me too. Calling first f.seek(0) did the trick for me.
– w177us
Dec 12 '17 at 20:28
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How to get a json string from url?
I'm switching my code form XML to JSON.
3 Answers
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