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How to make a vertical line in HTML
...a <div> around the markup where you want the line to appear to next, and use CSS to style it:
.verticalLine {
border-left: thick solid #ff0000;
}
<div class="verticalLine">
some other content
</div>
...
Number of processors/cores in command line
I am running the following command to get the number of processors/cores in Linux:
10 Answers
...
How to replace master branch in Git, entirely, from another branch? [duplicate]
...n the original master branch. While ergosys' solution does a proper merge and so retains all history in master.
– florisla
Aug 28 '15 at 8:05
40
...
What does the variable $this mean in PHP?
I see the variable $this in PHP all the time and I have no idea what it's used for. I've never personally used it.
10 An...
How to get the first column of a pandas DataFrame as a Series?
...
>>> import pandas as pd
>>> df = pd.DataFrame({'x' : [1, 2, 3, 4], 'y' : [4, 5, 6, 7]})
>>> df
x y
0 1 4
1 2 5
2 3 6
3 4 7
>>> s = df.ix[:,0]
>>> type(s)
<class 'pandas.core.series.Serie...
Turning off some legends in a ggplot
...
Note to self: if you have a geom_linerange() and the legend is showing a cross instead of a line, insert show.legend=FALSE inside the geom_linerange().
– PatrickT
Sep 30 '17 at 8:51
...
Can I call a constructor from another constructor (do constructor chaining) in C++?
...
C++11: Yes!
C++11 and onwards has this same feature (called delegating constructors).
The syntax is slightly different from C#:
class Foo {
public:
Foo(char x, int y) {}
Foo(int y) : Foo('a', y) {}
};
C++03: No
Unfortunately, there'...
Can I click a button programmatically for a predefined intent?
...splaying UI.
Can I get the "Send" button click from the MMS-SMSProvider in Android?
3 Answers
...
How to know if an object has an attribute in Python
...at, if the property is likely to be there most of the time, simply call it and either let the exception propagate, or trap it with a try/except block. This will likely be faster than hasattr. If the property is likely to not be there most of the time, or you're not sure, using hasattr will probably ...
How many characters can a Java String have?
...teger.MAX_VALUE part of the spec of JVM dependant?
– andandandand
Jul 24 '09 at 20:40
6
Integer.M...