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Why does JQuery have dollar signs everywhere?
...Query); // "true"
If you don't want to use the alias, you don't have to. And if you want $ to not be an alias for jQuery, you can use noConflict and the library will restore $ to whatever it was before jQuery took it over. (Useful if you also use Prototype or MooTools.)
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How to get a value from a cell of a dataframe?
...ith only one row, then access the first (only) row as a Series using iloc, and then the value using the column name:
In [3]: sub_df
Out[3]:
A B
2 -0.133653 -0.030854
In [4]: sub_df.iloc[0]
Out[4]:
A -0.133653
B -0.030854
Name: 2, dtype: float64
In [5]: sub_df.iloc[0]['A']
Ou...
Why generate long serialVersionUID instead of a simple 1L?
...is would only be useful if you neglected to use a serialVersionUID before, and then made a change that you know should be compatible but which causes serialization to break.
See the Java Serialization Spec for more details.
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Rails 4: before_filter vs. before_action
...ore_filter.
However all before_filters syntax are deprecated in Rails 5.0 and will be removed in Rails 5.1
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How to make tinymce paste in plain text by default
Googled it thousands of times, No one gives a complete solution of how to make Tinymce paste in plain text by default and strip out any formatting without clicking the "paste as text" button.
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How to remove all the null elements inside a generic list in one go?
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@Mark: I saw the posted seconds and man it was close (32, 33, and 34). ;)
– Lance
Jun 18 '10 at 13:04
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How to check for a JSON response using RSpec?
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You can examine the response object and verify that it contains the expected value:
@expected = {
:flashcard => @flashcard,
:lesson => @lesson,
:success => true
}.to_json
get :action # replace with action name / params...
PhpStorm wrap/surround selection?
Often in coding and templating I need to wrap a certain part of text. Is there any shortcut to wrap the current selection, for example:
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How do I check if file exists in Makefile so I can delete it?
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Helps to also understand what $(wildcard pattern) actually does. See link.
– Dr. Dan
Nov 5 '18 at 22:43
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How Do I Use Factory Girl To Generate A Paperclip Attachment?
... to say that the TestProcess include needs to be included with the Factory and not simply in your spec_helper.
– Andrew Hubbs
Oct 23 '12 at 1:16
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