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'System.Net.Http.HttpContent' does not contain a definition for 'ReadAsAsync' and no extension metho
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I was migrating dotnetcore application from 2.2 to 3.1 latest and encounter this error.My app already having reference to System.Net.Http.Formatting.Extension v5.2.3 but my app complain this error , so I installed nuget package Microsoft.AspNet.WebApi.Client as suggested by R...
Multiple commands in gdb separated by some sort of delimiter ';'?
...te command from clipboard and execute it.
– Jean-François Fabre♦
Nov 5 '18 at 13:15
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What is the _snowman param in Ruby on Rails 3 forms for?
...rs that can be understood as both Latin-1 and Unicode (for instance, é or ç, common in names), Internet Explorer will encode them in Latin-1.
This means that if a user searches for "Ché Guevara", it will come through incorrectly on the server-side. In Ruby 1.9, this will result in an encoding er...
Convert a row of a data frame to vector
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I recommend unlist, which keeps the names.
unlist(df[1,])
a b c
1.0 2.0 2.6
is.vector(unlist(df[1,]))
[1] TRUE
If you don't want a named vector:
unname(unlist(df[1,]))
[1] 1.0 2.0 2.6
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Random float number generation
... employ a more advanced method.
This will generate a number from 0.0 to 1.0, inclusive.
float r = static_cast <float> (rand()) / static_cast <float> (RAND_MAX);
This will generate a number from 0.0 to some arbitrary float, X:
float r2 = static_cast <float> (rand()) / (static...
Stateless and Stateful Enterprise Java Beans
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Does the avoid injecting part goes out for EJB 3.1 as well?
– jacktrades
Dec 14 '12 at 22:09
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Where are my postgres *.conf files?
...1h
#checkpoint_completion_target = 0.5 # checkpoint target duration, 0.0 - 1.0
#checkpoint_warning = 30s # 0 disables
# - Archiving -
#archive_mode = off # allows archiving to be done
# (change requires restart)
#archive_command = '' # command to use to archive a lo...
Do Git tags only apply to the current branch?
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If you create a tag by e.g.
git tag v1.0
the tag will refer to the most recent commit of the branch you are currently on. You can change branch and create a tag there.
You can also just refer to the other branch while tagging,
git tag v1.0 name_of_other_bran...
Trying to start a service on boot on Android
...ervice on device boot(autorun app, etc.)
For first: since version Android 3.1+ you don't receive BOOT_COMPLETE if user never started your app at least once or user "force closed" application.
This was done to prevent malware automatically register service. This security hole was closed in newer ver...
How to change shape color dynamically?
...n specify backgroundTint for the ImageView.
circle.xml
<?xml version="1.0" encoding="utf-8"?>
<shape
xmlns:android="http://schemas.android.com/apk/res/android"
android:shape="oval">
</shape>
And in your layout:
<ImageView
android:layout_width="50dp"
android:...