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git: Your branch is ahead by X commits
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Bravo. That was really the issue. I started by creating a repository on google code. Then I cloned this repository on my laptop and I do work there and push the changes, laptop => code.google. I used to get this message on my server where I had created a clone of co...
What's the difference between => , ()=>, and Unit=>
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Call-by-Name: => Type
The => Type notation stands for call-by-name, which is one of the many ways parameters can be passed. If you aren't familiar with them, I recommend taking some time to read that wikipedia article, even...
How to merge two files line by line in Bash
I have two text files, each of them contains an information by line such like that
4 Answers
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How to read XML using XPath in Java
...PathExpression expr = xpath.compile(<xpath_expression>);
Then you call expr.evaluate() passing in the document defined in that code and the return type you are expecting, and cast the result to the object type of the result.
If you need help with a specific XPath expressions, you should pro...
Get an element by index in jQuery
... and the index of an li tag in that list. I have to get the li element by using that index and change its background color. Is this possible without looping the entire list? I mean, is there any method that could achieve this functionality?
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Count number of rows within each group
... I don't know but this could be useful as well... df %>% group_by(group, variable) %>% mutate(count = n())
– Manoj Kumar
Dec 14 '16 at 17:57
1
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When to use margin vs padding in CSS [closed]
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TL;DR: By default I use margin everywhere, except when I have a border or background and want to increase the space inside that visible box.
To me, the biggest difference between padding and margin is that vertical margins auto-col...
JavaScriptSerializer - JSON serialization of enum as string
...instead of JavaScriptSerializer than see answer on this question provided by OmerBakhari: JSON.net covers this use case (via the attribute [JsonConverter(typeof(StringEnumConverter))]) and many others not handled by the built in .net serializers. Here is a link comparing features and functionalitie...
Select2 dropdown but allow new values by user?
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For version 4+ check this answer below by Kevin Brown
In Select2 3.5.2 and below, you can use something like:
$(selector).select2({
minimumInputLength:1,
"ajax": {
data:function (term, page) {
return { term:term, page:page };
},
dataType:"j...
How to specify a editor to open crontab file? “export EDITOR=vi” does not work
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If the crontab is managed by several persons with one user, I recommend to do this in a subshell, so the default editor stays in place.
– Thomas Böhm
Dec 7 '17 at 12:21
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