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NumPy or Pandas: Keeping array type as integer while having a NaN value

... If performance is not the main issue, you can store strings instead. df.col = df.col.dropna().apply(lambda x: str(int(x)) ) Then you can mix then with NaN as much as you want. If you really want to have integers, depending on your application, you can use -1, or 0, or 12345...
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How to configure the web.config to allow requests of any length

...;security> <requestFiltering> <requestLimits maxQueryString="32768"/> </requestFiltering> </security> </system.webServer> See: http://www.iis.net/ConfigReference/system.webServer/security/requestFiltering/requestLimits Updated to reflect comments....
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Ruby, !! operator (a/k/a the double-bang) [duplicate]

...eturns the proper boolean value. For example: "hello" #-> this is a string; it is not in a boolean context !"hello" #-> this is a string that is forced into a boolean # context (true), and then negated (false) !!"hello" #-> this is a string that is forced into a boolean ...
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Init method in Spring Controller (annotation version)

... public Object postProcessBeforeInitialization(Object bean, String beanName) throws BeansException { System.out.println("BeforeInitialization : " + beanName); return bean; // you can return any other object as well } public Object postProcessAfterInitialization(O...
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Test if element is present using Selenium WebDriver?

... and determines if it is present like this: private boolean existsElement(String id) { try { driver.findElement(By.id(id)); } catch (NoSuchElementException e) { return false; } return true; } This would be quite easy and does the job. Edit: you could even go furth...
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How to get all options of a select using jQuery?

...ecessary, however (that returns the DOM node, and val() already gives us a string, so...?) var opts = $('#cm_amt option').map( function() { return parseInt($(this).val()); } ); – sbeam Aug 26 '11 at 15:05 ...
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PostgreSQL - how to quickly drop a user with existing privileges

...catalog.pg_namespace n ON n.oid = c.relnamespace WHERE pg_catalog.array_to_string(c.relacl, E'\n') LIKE '%username%'; I'm not sure which privilege types correspond to revoking on TABLES, SEQUENCES, or FUNCTIONS, but I think all of them fall under one of the three. ...
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Options for initializing a string array [duplicate]

What options do I have when initializing string[] object? 4 Answers 4 ...
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Enabling ProGuard in Eclipse for Android

... { public static **[] values(); public static ** valueOf(java.lang.String); } -keep class * implements android.os.Parcelable { public static final android.os.Parcelable$Creator *; } -keepclassmembers class **.R$* { public static <fields>; } I think I've answered all the questio...
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How to use DbContext.Database.SqlQuery(sql, params) with stored procedure? EF Code First C

...e parameters based on their type, the same as the @ style params. So for a string parameter you would use "SELECT * FROM Users WHERE email={0}" without quotes in your statement. – Ross McNab Feb 14 '13 at 11:52 ...