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Replace all 0 values to NA
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but what if in the columns 6 and 7 - the datatype is char and no replacement should be done. In my problem, I need replacement only in columns 12 to 15 but the whole df has 21 columns (many must not be touched at all).
– userJT
Feb 20 '15 ...
How to solve the error LNK2019: unresolved external symbol - function?
...me so I thought I might share my solution, as simple as it was:
Check the Character Set of both projects in Configuration Properties -> General -> Character Set
My UnitTest project was using the default Character Set Multi-Byte while my libs where in Unicode.
My function was using a TCHAR as...
Referring to a Column Alias in a WHERE Clause
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SELECT
logcount, logUserID, maxlogtm,
DATEDIFF(day, maxlogtm, GETDATE()) AS daysdiff
FROM statslogsummary
WHERE ( DATEDIFF(day, maxlogtm, GETDATE() > 120)
Normally you can't refer to field aliases in the WHERE clau...
Select text on input focus
I have a text input. When the input receives focus I want to select the text inside of the input.
10 Answers
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What is the difference between YAML and JSON?
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Tabs are simply not allowed at all as indentation characters. IMHO, that is good coding style in all languages - with or without syntactic indentation.
– 00prometheus
Nov 15 '15 at 19:11
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In Vim, is there a way to paste text in the search line?
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Typically, you would do that with mouse selecting (perhaps CtrlIns or CtrlC after selecting) and then, when in the command/search line, middle-clicking (or ShiftIns or CtrlV).
Another way, is to write your command/search line in the text buffer with all the editin...
Semicolon before self-invoking function? [duplicate]
...eventing the ui tabs from working properly.
The error message was Invalid character in jquery.all.ui.js Line: 1. Char: 1.
I stumbled on the semi-colon completely by chance.
When I removed the ; from the ;(function($) it worked, seemingly without side-effects or loss of functionality.
I am using ...
Xcode can only refactor C and Objective-C code. How to rename swift class name in Xcode 6?
...ame swift class from ViewController.swift to some other name. But when I select Refactor -> Rename, it gives error Xcode can only refactor C and Objective-C code .
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Extract filename and extension in Bash
... # Strip shortest match of . plus at least one non-dot char from end
ext="${filename:${#base} + 1}" # Substring from len of base thru end
if [[ -z "$base" && -n "$ext" ]]; then # If we have an extension and no base, it's really the base
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Build Android Studio app via command line
... an emulator)
Bonus
I set up an alias in my ~/.bash_profile, to make it a 2char command.
alias bi="gradlew && adb install -r exampleApp.apk"
(Short for Build and Install)
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