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Integer.toString(int i) vs String.valueOf(int i)
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Just two different ways of doing the same thing. It may be a historical reason (can't remember if one came before the other).
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How to set JFrame to appear centered, regardless of monitor resolution? [closed]
...s a special effect when you pass it a null. According to the Javadoc:
If the component is null, or the GraphicsConfiguration associated with this component is null, the window is placed in the center of the screen.
This should be done after setting the size or calling pack(), but before setti...
Select all 'tr' except the first one
... crossbrowser way of selecting the rows you want with CSS alone.
However, if you don't care about Internet Explorer 6, 7 or 8:
tr:not(:first-child) {
color: red;
}
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How to select rows with one or more nulls from a pandas DataFrame without listing columns explicitly
I have a dataframe with ~300K rows and ~40 columns.
I want to find out if any rows contain null values - and put these 'null'-rows into a separate dataframe so that I could explore them easily.
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How can I extract a predetermined range of lines from a text file on Unix?
...y only used in conjunction with the -n command-line option.
n -
If auto-print is not disabled, print the pattern space, then, regardless, replace the pattern space with the next line of input. If
there is no more input then sed exits without processing any more
commands.
q -
Ex...
Finding the source code for built-in Python functions?
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would have been helpful if you had given an example of how to use __file__
– stackoverflowpro
Aug 25 at 8:59
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Convert DataFrame column type from string to datetime, dd/mm/yyyy format
...ut[11]:
0 2005-05-23 00:00:00
dtype: datetime64[ns]
You can pass a specific format:
In [12]: pd.to_datetime(pd.Series(['05/23/2005']), format="%m/%d/%Y")
Out[12]:
0 2005-05-23
dtype: datetime64[ns]
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What does it mean when a CSS rule is grayed out in Chrome's element inspector?
...hich are applied to the currently selected element appear in normal text.
If a rule exists in that set but is not applied because it's a non-inheritable property (e.g. background color), it will appear as greyed/dimmed text.
here is an article that give a good explanation - (Note: the relevant ite...
Get url parameters from a string in .NET
...'s name says, it's to parse Query Strings, not URLs with query parameters. If you want to do it, you must first split it by ? like this: Url.Split('?') and get last element using (depending on situation and what you need) [0] or LINQ's Last() / LastOrDefault().
– Kosiek
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Can you target with css?
...u can set BR's border but you won't see it as it has no visual dimension.
If you like to visually separate two sentences, then you probably want to use the horizontal ruler which is intended for this goal. Since you cannot change the markup, I'm afraid using only CSS you cannot achieve this.
It se...