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Pointers in C: when to use the ampersand and the asterisk?
... converted from "N-element array of T" to "pointer to T", and its value is set to point to the first element in the array. The exceptions to this rule are when the array expression appears as an operand of either the & or sizeof operators, or when it is a string literal being used as an initial...
How to loop through files matching wildcard in batch file
I have a set of base filenames, for each name 'f' there are exactly two files, 'f.in' and 'f.out'. I want to write a batch file (in Windows XP) which goes through all the filenames, for each one it should:
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How to round a number to significant figures in Python
I need to round a float to be displayed in a UI. E.g, to one significant figure:
20 Answers
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Save classifier to disk in scikit-learn
...in scikit-learn:
>>> import joblib
>>> from sklearn.datasets import load_digits
>>> from sklearn.linear_model import SGDClassifier
>>> digits = load_digits()
>>> clf = SGDClassifier().fit(digits.data, digits.target)
>>> clf.score(digits.data, d...
Sublime Text 2: Trim trailing white space on demand
...o automatically delete trailing spaces upon file
save. Depending on your settings, it may be more handy to just
highlight them and/or delete them by hand. This plugin provides just
that!
Usage: click "Edit / Trailing Spaces / Delete".
To add a key binding, open "Preferences / Key Bindings -...
Applying a function to every row of a table using dplyr?
When working with plyr I often found it useful to use adply for scalar functions that I have to apply to each and every row.
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Get Android .apk file VersionName or VersionCode WITHOUT installing apk
How can I get programmatically get the version code or version name of my apk from the AndroidManifest.xml file after downloading it and without installing it.
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How to do a newline in output
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PowerShell Script to Find and Replace for all Files with a Specific Extension
...ent $file.PSPath) |
Foreach-Object { $_ -replace "Dev", "Demo" } |
Set-Content $file.PSPath
}
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How to overload functions in javascript?
...t overloading in Javascript:
Variable arguments - You can pass different sets of arguments (in both type and quantity) and the function will behave in a way that matches the arguments passed to it.
Default arguments - You can define a default value for an argument if it is not passed.
Named argume...