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Stateless and Stateful Enterprise Java Beans
...s. If stateless session beans do not retain their state in between method calls, why is my program acting the way it is?
7 ...
How to output something in PowerShell
...The script fetches a web page and checks whether the page's content is the string "OK".
7 Answers
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Powershell equivalent of bash ampersand (&) for forking/running background processes
...file.txt is in the current directory.
The output is not displayed automatically. You need to run Receive-Job with the ID of the job as parameter.
NOTE: Regarding your initial example, "bg sleep 30" would not work because sleep is a Powershell commandlet. Start-Process only works when you actually ...
Querying DynamoDB by date
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Updated Answer:
DynamoDB allows for specification of secondary indexes to aid in this sort of query. Secondary indexes can either be global, meaning that the index spans the whole table across hash keys, or local meaning that the index would exist w...
Convert Array to Object
...bject.assign:
The Object.assign() method is used to copy the values of all
enumerable own properties from one or more source objects to a target
object. It will return the target object.
Object.assign({}, ['a','b','c']); // {0:"a", 1:"b", 2:"c"}
The own length property of the array is no...
Passing an Array as Arguments, not an Array, in PHP
...dard func($arg1, $arg2) manner. But now I'm lost on how to do it. I recall the manner of passing by reference, how to "glob" incoming parameters ... but not how to de-list the array into a list of arguments.
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Namespace + functions versus static methods on a class
...you can avoid mentioning it, if you use the keyword "using":
#include <string>
#include <vector>
// Etc.
{
using namespace std ;
// Now, everything from std is accessible without qualification
string s ; // Ok
vector v ; // Ok
}
string ss ; // COMPILATION ERROR
vector vv ;...
How to parse a string into a nullable int
I'm wanting to parse a string into a nullable int in C#. ie. I want to get back either the int value of the string or null if it can't be parsed.
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How to mock the Request on Controller in ASP.Net MVC?
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Your link doesn't work, but the following seems to work _request.Setup(o => o.Form).Returns(new NameValueCollection());
– Vdex
May 31 '12 at 11:26
add a ...
Convert columns to string in Pandas
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One way to convert to string is to use astype:
total_rows['ColumnID'] = total_rows['ColumnID'].astype(str)
However, perhaps you are looking for the to_json function, which will convert keys to valid json (and therefore your keys to strings):
I...