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Linq: What is the difference between Select and Where
The Select and Where m>me m>thods are available in Linq. What should every developer know about these two m>me m>thods? For example: when to use one over the other, any advantages of using one over the other, etc.
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What is a reasonable order of Java modifiers (abstract, final, public, static, etc.)?
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The customary usage order of the modifiers is m>me m>ntioned in the Java Language Specification (and not the Java Virtual Machine Specification) e.g. for class modifiers you will find the following definition (extract):
ClassModifiers:
ClassModifier
ClassModifiers Cl...
Applying function with multiple argum>me m>nts to create a new pandas column
I want to create a new column in a pandas data fram>me m> by applying a function to two existing columns. Following this answer I've been able to create a new column when I only need one column as an argum>me m>nt:
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How to search for occurrences of more than one space between words in a line
...follow. (not other whitespace like tabs or new lines)
\w[ ]{2,}\w
the sam>me m>, but you can also pick (capture) only the spaces for tasks like replacem>me m>nt
\w([ ]{2,})\w
or see that before and after spaces there is anything, not only word characters (except whitespace)
[^\s]([ ]{2,})[^\s]
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List directory in Go
... in the io/ioutil package. Per the docs:
ReadDir reads the directory nam>me m>d by dirnam>me m> and returns a list of sorted directory entries.
The resulting slice contains os.FileInfo types, which provide the m>me m>thods listed here. Here is a basic example that lists the nam>me m> of everything in the current ...
R command for setting working directory to source file location in Rstudio
I am working out som>me m> tutorials in R. Each R code is contained in a specific folder. There are data files and other files in there. I want to open the .r file and source it such that I do not have to change the working directory in Rstudio as shown below:
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Embedding Python in an iPhone app
...code, for example -- but what does matter is the product of that build.
Nam>me m>ly, you are going to need to build som>me m>thing like libPython.a that can be statically linked into your application. Once you have a .a, that can be added to the Xcode project for your application(s) and, from there, it'll b...
Using CookieContainer with WebClient class
...t to use it with a WebClient. As far as I understand, there is no built-in m>me m>thod like there is for HttpWebRequests ( request.CookieContainer ). How can I collect cookies from a WebClient in a CookieContainer?
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Tooltips for cells in HTML table (no Javascript)
...g fine here on Firefox v 18 (Aurora), Internet Explorer 8 & Google Chrom>me m> v 23x
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How can I check whether Google Maps is fully loaded?
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This was bothering m>me m> for a while with GMaps v3.
I found a way to do it like this:
google.maps.event.addListenerOnce(map, 'idle', function(){
// do som>me m>thing only the first tim>me m> the map is loaded
});
The "idle" event is triggered when t...