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Pip freeze vs. pip list
...r pip to understand, which is
feedparser==5.1.3
wsgiref==0.1.2
django==1.4.2
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That is the "requirements format".
Here, django==1.4.2 implies install django version 1.4.2 (even though the latest is 1.6.x).
If you do not specify ==1.4.2, the latest version available would be installed.
You c...
Dialog to pick image from gallery or from camera
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194
The code below can be used for taking a photo and for picking a photo. Just show a dialog with t...
Summarizing multiple columns with dplyr? [duplicate]
... <dbl>
#> 1 1 3.08 2.98 2.98 2.91
#> 2 2 3.03 3.04 2.97 2.87
#> 3 3 2.85 2.95 2.95 3.06
If you want to summarize only certain columns, use summarise_at or summarise_if functions.
Alternatively, the purrrlyr package provides the same functionality:
library(purr...
How should I edit an Entity Framework connection string?
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edited Jul 13 '16 at 4:59
Mosh Feu
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answ...
java SSL and cert keystore
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LINGS
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answered May 3 '11 at 14:46
DaveHDaveH
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What's “tools:context” in Android layout files?
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455
This is the activity the tools UI editor uses to render your layout preview. It is documented ...
Was PreferenceFragment intentionally excluded from the compatibility package?
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answered Mar 31 '11 at 14:41
CommonsWareCommonsWare
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how to show progress bar(circle) in an activity having a listview before loading the listview with d
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Vadim Kotov
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answered Sep 24 '12 at 5:59
Siddharth LeleSiddharth Lele
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How to create war files
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edited Jan 20 '11 at 0:40
martin clayton
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How to convert wstring into string?
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34
Here is a worked-out solution based on the other suggestions:
#include <string>
#include ...