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unable to install pg gem
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On Centos 7 yum install postgresql-devel solved my error related to pg_config for installing the 'pg' .gem. By the way I opted to use the just released PostgreSQL 10
– Arthur
Nov 5 '17 at 2:42
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再说WCF Data Contract KnownTypeAttribute - 更多技术 - 清泛网移动版 - 专注C/C++及内核技术
...快你会发现浏览器（客户端）返回给你了错误：
Server Error in '/' Application.
The underlying connection was closed: The connection was closed unexpectedly.
Description: An unhandled exception occurred during the execution of the current web request. Please review the st...
Multithreading: What is the point of more threads than cores?
.... Thank you!
– Edgecase
Jul 4 at 15:05
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Getting the first index of an object
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There is an error in the above code. The typeof check should be typeof(i)
– jacob.toye
Feb 20 '12 at 0:25
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How to use an existing database with an Android application [duplicate]
... } catch (IOException mIOException) {
throw new Error("ErrorCopyingDataBase");
}
}
}
// Check that the database file exists in databases folder
private boolean checkDataBase() {
return DB_FILE.exists();
}
// Copy the databa...
Reading file contents on the client-side in javascript in various browsers
...mentById("fileContents").innerHTML = evt.target.result;
}
reader.onerror = function (evt) {
document.getElementById("fileContents").innerHTML = "error reading file";
}
}
Original answer
There does not appear to be a way to do this in WebKit (thus, Safari and Chrome). The only ...
Any way to write a Windows .bat file to kill processes? [closed]
... this process is running. If this process is not running, it will throw an error.
So as to check before takskill is called, a check can be done to make sure execute taskkill will be executed only if the process is running, so that it won't throw error.
tasklist /fi "imagename eq applicationname.e...
Reading JSON from a file?
...of headache just because a simple looking, easy statement is throwing some errors in my face.
7 Answers
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AJAX POST and Plus Sign ( + ) — How to Encode?
...ich we can use curl to configure.
Problem: {"timezone":"+5"} //throws an error " 5"
Solution: {"timezone":"%2B"+"5"} //Works
So, in a nutshell:
var = {"timezone":"%2B"+"5"}
json = JSONEncoder().encode(var)
subprocess.call(["curl",ipaddress,"-XPUT","-d","data="+json])
Thanks to this post!
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Default value of 'boolean' and 'Boolean' in Java
...ithin a method you will have to initialize it, or there will be a compiler error.
If you declare as a primitive i.e. boolean. The value will be false by default if it's an instance variable (or class variable). If it's declared within a method you will still have to initialize it to either true o...