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Dynamically select data frame columns using $ and a character value
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Had similar problem due to some CSV files that had various names for the same column.
This was the solution:
I wrote a function to return the first valid column name in a list, then used that...
# Return the string name of the first name in names that is a co...
Mercurial .hgignore for Visual Studio 2008 projects
What is a good setup for .hgignore file when working with Visual Studio 2008?
7 Answers
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Recursively remove files
Does anyone have a solution to remove those pesky ._ and .DS_Store files that one gets after moving files from a Mac to A Linux Server?
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Application auto build versioning
...hrough the go tool using -ldflags. For example, given the following source file:
package main
import "fmt"
var xyz string
func main() {
fmt.Println(xyz)
}
Then:
$ go run -ldflags "-X main.xyz=abc" main.go
abc
In order to set main.minversion to the build date and time when building:
go ...
How to find if a native DLL file is compiled as x64 or x86?
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You can use DUMPBIN too. Use the /headers or /all flag and its the first file header listed.
dumpbin /headers cv210.dll
64-bit
Microsoft (R) COFF/PE Dumper Version 10.00.30319.01
Copyright (C) Microsoft Corporation. All rights reserved.
Dump of file cv210.dll
PE signature found
File Type:...
How to attach file to a github issue?
...th a project from Bitbucket to Github and I can not find a way to attach a file to an issue (ex: screenshot, specs, etc)
11...
Can't delete virtual device from Eclipse, android
...re should be a avd folder
In the avd folder should be one or multiple .ini file and a corresponding *.avd virtual device folder.
Delete both the .ini file and the .avd folder you want to get rid of.
Return to the Android sdk and AVD manager.
I hope this helps...
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How to install both Python 2.x and Python 3.x in Windows
...step 4 and 5, keep copy of python.exe in the same directory as the renamed file)
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How do I use vimdiff to resolve a git merge conflict?
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All four buffers provide a different view of the same file. The top left buffer (LOCAL) is how the file looked in your target branch (what you are merging into). The top right buffer (REMOTE) is how the file looked in your source branch (where you are merging from). The middle b...
How to access a mobile's camera from a web app?
... tag which allows you to take pictures from your device:
<input type="file" accept="image/*" capture="camera">
Capture can take values like camera, camcorder and audio.
I think this tag will definitely not work in iOS5, not sure about it.
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