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Deleting rows with MySQL LEFT JOIN

... DELETE FROM deadline where ID IN ( SELECT d.ID FROM `deadline` d LEFT JOIN `job` ON deadline.job_id = job.job_id WHERE `status` = 'szamlazva' OR `status` = 'szamlazhato' OR `status` = 'fizetve' OR `status` = 'szallitva' OR `status` = 'storno'); I am not sur...
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Converting strings to floats in a DataFrame

...hole dataframe or just individual columns. It also gives you an ability to select how to treat stuff that can't be converted to numeric values: import pandas as pd s = pd.Series(['1.0', '2', -3]) pd.to_numeric(s) s = pd.Series(['apple', '1.0', '2', -3]) pd.to_numeric(s, errors='ignore') pd.to_numer...
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How do you specify a different port number in SQL Management Studio?

... SQL Server Configuration Manager. Go to Sql Native Client Configuration, Select Client Protocols, Right Click on TCP/IP and set your default port there. share | improve this answer | ...
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Hide hidden(dot) files in github atom editor

... As stated above, Application menu > Preferences… > select Packages in the sidebar, search for "Tree View", click the Settings button > check Hide Ignored Names. And now with pictures: share ...
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How to find out client ID of component for ajax update/render? Cannot find component with expression

... <ui:repeat>. When using PrimeFaces, consider Search Expressions or Selectors PrimeFaces Search Expressions allows you to reference components via JSF component tree search expressions. JSF has several builtin: @this: current component @form: parent UIForm @all: entire document @none: noth...
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How to get Twitter-Bootstrap navigation to show active link?

... Use this instead to select active link in nav based on the current route without server code: $(document).ready(function () { $('a[href="' + this.location.pathname + '"]').parent().addClass('active'); }); ...
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Installing R on Mac - Warning messages: Setting LC_CTYPE failed, using “C”

... recommend installing from the CRAN repos. cran.r-project.org/mirrors.html select a mirror that fits you and then pick packages you want to install, it should be pretty straightforward! Good luck! – nemesis Feb 11 '14 at 21:27 ...
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Counting Line Numbers in Eclipse [closed]

...ch Check the Regular expression box. Use this expression: \n[\s]* Select whatever file types (*.java, *.xml, etc..) and working sets are appropriate for you. share | improve this answer ...
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Using an if statement to check if a div is empty

...SS: .someDiv:empty { display: none; } Unfortunately there is no CSS selector that selects the previous sibling element. There is only for the next sibling element: x ~ y .someDiv:empty ~ .anotherDiv { display: none; } Using jQuery Checking text length of element with text() function ...
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RandomForestClassifier vs ExtraTreesClassifier in scikit learn

...he random forest), for each feature under consideration, a random value is selected for the split (for the extra trees). Here is a good resource to know more about their difference in more detail Random forest vs extra tree. ...