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HttpClient not supporting PostAsJsonAsync method C#
...plication. I am using .Net 4.5 and while writing the code I am getting the error HttpClient does not contain a definition PostAsJsonAsync method.
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How to add an auto-incrementing primary key to an existing table, in PostgreSQL?
...h this solution is that if the table already contains rows then you get an error: SQL Error [23502]: ERROR: column "id" contains null values
– isapir
Mar 7 '18 at 16:30
3
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How to redirect output to a file and stdout
...gt;&1 | tee outfile
2>&1 redirects channel 2 (stderr/standard error) into channel 1 (stdout/standard output), such that both is written as stdout. It is also directed to the given output file as of the tee command.
Furthermore, if you want to append to the log file, use tee -a as:
pro...
Is there a way to access method arguments in Ruby?
...
You could then display the name and value of each parameter with
logger.error "Method failed with " + args.map { |arg| "#{arg} = #{eval arg}" }.join(', ')
Note: since this answer was originally written, in current versions of Ruby eval can no longer be called with a symbol. To address this, a...
Create SQL script that create database and tables
... I followed those steps exactly but i still get absolutely tons of errors and i can't correct them. Any help?
– user1789573
Apr 15 '15 at 14:42
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Using CSS in Laravel views?
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Doesn't work for me either. Fatal Error: Class 'HTML' not found
– geoidesic
Mar 8 '17 at 10:13
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sh...
Change project name on Android Studio
...ject and module. But if I try to rename them Android Studio notify me some errors...
e.g. I want to change the name from "MyApplication" to "AndroidApp" as shown in the image below.
In the first rectangle I want to change it in:
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java.lang.OutOfMemoryError: Java heap space in Maven
When I run maven test, java.lang.OutOfMemoryError happens. I googled it for solutions and have tried to export MAVEN_OPTS=-Xmx1024m , but it did not work.
Anyone know other solutions for this problem? I am using maven 3.0
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Cross field validation with Hibernate Validator (JSR 303)
...validations of the same type is via a list of annotations. This allows the error message to be specified per match.
For example, validating a common form:
@FieldMatch.List({
@FieldMatch(first = "password", second = "confirmPassword", message = "The password fields must match"),
@...
What do 3 dots next to a parameter type mean in Java?
...them to a method which takes array as a parameter.
These 2 approaches were error-prone - constructing an array of parameters every time and difficult to maintain - as the addition of new argument may result in writing a new overloaded method.
Advantages of varargs
Offers a much simpler option.
Les...