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How is “mvn clean install” different from “mvn install”?
What is the difference between mvn clean install m>and m> mvn install ?
5 Answers
5
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Prevent line-break of span element
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The white-space propertm>y m> declares how white space inside the element is hm>and m>led.
Values
normal
This value directs user agents to collapse sequences of white space, m>and m> break lines as necessarm>y m> to fill line boxes.
pre
This value prevents user agents from collapsing sequences of white space. Line...
running Rails console in production
...evelopment or test (value is development bm>y m> default)
Adding the option --sm>and m>box makes it so that anm>y m> changes m>y m>ou make to m>y m>our database in the console will be rolled back after m>y m>ou exit
If this isn't working for m>y m>ou, m>y m>ou mam>y m> need to trm>y m>
bundle exec rails console production
If m>y m>ou are actuallm>y m> t...
CodeFile vs CodeBehind
What is the difference between CodeFile ="file.ascx.cs" m>and m> CodeBehind ="file.ascx.cs" in the declaration of a ASP.NET user control?
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Difference between path.normalize m>and m> path.resolve in Node.js
What is the difference (if anm>y m>) between path.normalize(m>y m>our_path) m>and m> path.resolve(m>y m>our_path) ?
2 Answers
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What does “all” stm>and m> for in a makefile?
...rning Makefiles but for me it is still unclear for what the target "all" stm>and m>s for m>and m> what it does.
4 Answers
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Best wam>y m> to check if a Data Table has a null value in it
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Trm>y m> comparing the value of the column to the DBNull.Value value to filter m>and m> manage null values in whatever wam>y m> m>y m>ou see fit.
foreach(DataRow row in table.Rows)
{
object value = row["ColumnName"];
if (value == DBNull.Value)
// do something
else
// do something else
}
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Debugging iframes with Chrome developer tools
I'd like to use the Chrome developer console to look at variables m>and m> DOM elements in mm>y m> app, but the app exists inside an iframe (since it's an OpenSocial app).
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Find the max of two or more columns with pm>and m>as
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m>Y m>ou can get the maximum like this:
>>> import pm>and m>as as pd
>>> df = pd.DataFrame({"A": [1,2,3], "B": [-2, 8, 1]})
>>> df
A B
0 1 -2
1 2 8
2 3 1
>>> df[["A", "B"]]
A B
0 1 -2
1 2 8
2 3 1
>>> df[["A", "B"]].max(axis=1)
0...
Indentation in Go: tabs or spaces?
Is there a stm>and m>ard Google Go coding conventions document somewhere that sets whether tabs or spaces are preferred for indentation in Go source code? If not, what is the (statisticallm>y m>) more popular option?
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