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Call a “local” function within module.exports from another function in module.exports?
... @NamNguyen Calling exports.foo() seems a little bit awkward and hard to read.
– Afshin Mehrabani
Jul 19 '14 at 12:20
4
...
“Large data” work flows using pandas
...f gigabytes of data in just this fashion
e.g. I have tables on disk that I read via queries, create data and append back.
It's worth reading the docs and late in this thread for several suggestions for how to store your data.
Details which will affect how you store your data, like:
Give as much de...
The Concept of 'Hold space' and 'Pattern space' in sed
...
When sed reads a file line by line, the line that has been currently read is inserted into the pattern buffer (pattern space). Pattern buffer is like the temporary buffer, the scratchpad where the current information is stored. When y...
Drop unused factor levels in a subsetted data frame
...his one the thumbs up for the caes of one factor, but hopefully folks will read these comments for your suggestions on cleaning up an entire data frame of factors.
– medriscoll
Jul 30 '09 at 4:18
...
Extract a substring according to a pattern
...plit
sapply(strsplit(string, ":"), "[", 2)
## [1] "E001" "E002" "E003"
3) read.table
read.table(text = string, sep = ":", as.is = TRUE)$V2
## [1] "E001" "E002" "E003"
4) substring
This assumes second portion always starts at 4th character (which is the case in the example in the question):
substri...
What is causing this ActiveRecord::ReadOnlyRecord error?
...rom the ActiveRecord CHANGELOG(v1.12.0, October 16th, 2005):
Introduce read-only records. If you call object.readonly! then it will
mark the object as read-only and raise
ReadOnlyRecord if you call
object.save. object.readonly? reports
whether the object is read-only.
Passing :reado...
Which is the best library for XML parsing in java [closed]
...le);
// Do something with the document here.
}
SAX Parser: Solely to read a XML document. The Sax parser runs through the document and calls callback methods of the user. There are methods for start/end of a document, element and so on. They're defined in org.xml.sax.ContentHandler and there's...
Disable orange outline highlight on focus
...
android 4.0.4 works with: -webkit-user-modify: read-write-plaintext-only;
– oori
Nov 6 '12 at 17:04
...
Java Runtime.getRuntime(): getting output from executing a command line program
...nds = {"system.exe", "-get t"};
Process proc = rt.exec(commands);
BufferedReader stdInput = new BufferedReader(new
InputStreamReader(proc.getInputStream()));
BufferedReader stdError = new BufferedReader(new
InputStreamReader(proc.getErrorStream()));
// Read the output from the command...
Should I use char** argv or char* argv[]?
...ead is a pointer to the first element of that array. And herein actually already lies the solution. Instead of drawing an array parameter invalid up-front, a C compiler will transform the type of the respective parameter to be a pointer. Remember this, it's very important. The parameter won't be an ...