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Why would one use nested classes in C++?
Can someone please point me towards some nice resources for understanding and using nested classes? I have some material like Programming Principles and things like this IBM Knowledge Center - Nested Classes
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How can I access “static” class variables within class methods in Python?
...e self.bar or Foo.bar. Assigning to Foo.bar will create a static variable, and assigning to self.bar will create an instance variable.
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Python string.join(list) on object array rather than string array
...duce was the one that was removed, because it usually left people guessing and thus wasn't "pythonic". map on the other hand is not an issue.
– PascalVKooten
Oct 12 '15 at 16:28
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How do you calculate log base 2 in Java for integers?
...o completely get rid of errors I had to add epsilon which is between 1e-11 and 1e-14.
Could you have told this before testing?
I definitely could not.
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What is resource-ref in web.xml used for?
...reason, you'll need to update all the references in all your applications, and then rebuild and redeploy them.
<resource-ref> introduces another layer of indirection: you specify the name you want to use in the web.xml, and, depending on the container, provide a binding in a container-specifi...
Compress files while reading data from STDIN
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Yes, use gzip for this. The best way is to read data as input and redirect the compressed to output file i.e.
cat test.csv | gzip > test.csv.gz
cat test.csv will send the data as stdout and using pipe-sign gzip will read that data as stdin. Make sure to redirect the gzip output to...
How to make Scroll From Source feature always enabled?
... @EatatJoes -- in VS go to Tools -> Options -> Projects and Solutions -> General and enable the checkbox "Track Active Item in Solution Explorer".
– Tomas Karban
May 16 '14 at 0:35
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How do I change the figure size with subplots?
....set_figheight(15)
f.set_figwidth(15)
But if you use the .subplots() command (as in the examples you're showing) to create a new figure you can also use:
f, axs = plt.subplots(2,2,figsize=(15,15))
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Read a text file using Node.js?
I need to pass in a text file in the terminal and then read the data from it, how can I do this?
5 Answers
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How to Use Order By for Multiple Columns in Laravel 4?
...('coloumn1', 'DESC')
->orderBy('coloumn2', 'ASC')
->get();
and the second way to do it is,
Using raw order by:
MyTable::orderByRaw("coloumn1 DESC, coloumn2 ASC");
->get();
Both will produce same query as follow,
SELECT * FROM `my_tables` ORDER BY `coloumn1` DESC, `coloumn...