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Non-recursive depth first search algorithm
...ry of the two is quite cool.
Update: As pointed out, take_first() removes and returns the first element in the list.
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How to pass a single object[] to a params object[]
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the way params works seems unnecessary, and suboptimal c# design, given what we’ve become used to in other languages. params could have been made to only accept one form, and a spread like feature could be added that would benefit the entire language, not just t...
Testing if jQueryUI has loaded
I'm trying to debug a website, and I think that jQueryUI may not have loaded properly. How can I test if jQueryUI has loaded?
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Replace None with NaN in pandas dataframe
... which will replace the Python object None, not the string 'None'.
import pandas as pd
import numpy as np
For dataframe:
df = df.fillna(value=np.nan)
For column or series:
df.mycol.fillna(value=np.nan, inplace=True)
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How to convert ActiveRecord results into an array of hashes
...s.all
tasks_records = tasks_records.as_json
# You can now add new records and return the result as json by calling `to_json`
tasks_records << TaskStoreStatus.last.as_json
tasks_records << { :task_id => 10, :store_name => "Koramanagala", :store_region => "India" }
tasks_records...
How to create a .jar file or export jar on IntelliJ (like eclipse java archive export) [duplicate]
...t to create a jar file from java compiled class files. but I not found command or file, How to create a jar file (like eclipse java archive export)
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How to do two-way filtering in AngularJS?
...but it's not well documented.
Formatting model values for display can be handled by the | operator and an angular formatter. It turns out that the ngModel that has not only a list of formatters but also a list of parsers.
1. Use ng-model to create the two-way data binding
<input type="text" ng...
How do I remove all HTML tags from a string without knowing which tags are in it?
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Yes, because it strips everything between < and >, so in your case, < 10 <b> and </b> are both stripped.
– Bidou
Oct 3 '17 at 16:00
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How to remove a column from an existing table?
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Your example is simple and doesn’t require any additional table changes but generally speaking this is not so trivial.
If this column is referenced by other tables then you need to figure out what to do with other tables/columns. One option is t...
Removing a model in rails (reverse of “rails g model Title…”)
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:( Read the first line and did it. It was my fault, but a correctly-ordered answer may have helped.
– Mike T
Jul 22 '13 at 19:40
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