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Convert data.frame column format from character to factor
...yr::mutate_if() to convert all character columns or dplyr::mutate_at() for select named character columns to factors:
library(dplyr)
# all character columns to factor:
df <- mutate_if(df, is.character, as.factor)
# select character columns 'char1', 'char2', etc. to factor:
df <- mutate_at(d...
Is there any way to change input type=“date” format?
...ser input. Browser vendors are encouraged to follow the user's preferences selection. For example, on Mac OS with the region "United States" selected in the Language & Text preferences pane, Chrome 20 uses the format "m/d/yy".
The HTML5 specification does not include any means of overriding or...
How to show Page Loading div until the page has finished loading?
...eforeSend: function(xhr){ <---- use this option here
$('.select_element_you_want_to_load_into').html('Loading...');
},
success: function(msg){
$('.select_element_you_want_to_load_into').html(msg);
}
});
EDIT
I see, in that case, using one of the 'display:block'/'displ...
Is there a way to make a PowerShell script work by double clicking a .ps1 file?
...won't show windows folder) i.e. C:\Windows\System32\WindowsPowerShell\v1.0
select powershell.exe
select "Always use this app to open .ps1 files"
click OK
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When should you use 'friend' in C++?
...te, the C++ FAQ mentions that friend enhances encapsulation. friend grants selective access to members, just like protected does. Any fine-grained control is better than granting public access. Other languages define selective access mechanisms too, consider C#'s internal. Most negative criticism ar...
Map Tiling Algorithm
... this algorithm is to use a pre-processing step to find all edges and then select the correct smoothing tile according to the shape of the edge.
The first step would be to find all edges. In the example below the edge tiles marked with an X are all green tiles with a tan tile as one or more of thei...
What is the IntelliJ shortcut key to create a javadoc comment?
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Do I have to select something? Even if I select the whole file content or select nothing, nothing happens if I run this action. May I am missing something
– Honsa Stunna
Jun 18 '19 at 11:46
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Why would I want stage before committing in Git?
...kson in your example, what's the difference between the stage+commit and a selective commit? I don't see any difference.
– Eugenio
Apr 29 '16 at 11:02
9
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What's the difference between session.persist() and session.save() in Hibernate?
...st(entity);
session.getTransaction().commit();
session.close();
Result:
select nextval ('hibernate_sequence') // This is for vehicle Id generated : 36
insert into Employee_Vehicle ( Vehicle_Name, Vehicle_Id) values ( Honda, 36)
Note the result is same when you get an already persisted object an...
ASP.NET Repeater bind List
...
rptSample.DataSource = from c in lstSample select new { NAME = c };
in the repeater you put
<%# Eval("NAME") %>
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