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Dynamic type languages versus static type languages
...reventing
adding an integer to a boolean),
better documentation in the form of
type signatures (e.g. incorporating
number and types of arguments when
resolving names), more opportunities
for compiler optimizations (e.g.
replacing virtual calls by direct
calls when the exact type of t...
Is there a difference between using a dict literal and a dict constructor?
...he dict() constructor gives you more flexibility because of the variety of forms of input it takes. For example, you can provide it with an iterator of pairs, and it will treat them as key/value pairs.
I have no idea why PyCharm would offer to convert one form to the other.
...
SET NOCOUNT ON usage
...k to default counting behavior almost always without worrying about the performance. There are some cases though, where calculating the number of rows beforehand would impact the performance, such as a forward-only cursor. In that case NOCOUNT might be a necessity. Other than that, there is absolute...
int value under 10 convert to string two digit number
...)
depending on what you want
Look at the MSDN article on custom numeric format strings for more options: http://msdn.microsoft.com/en-us/library/0c899ak8(VS.71).aspx
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What 'additional configuration' is necessary to reference a .NET 2.0 mixed mode assembly in a .NET 4
...t-and-net-4-0, but it doesn't say much. Any ideas on how I can get more information about my particular issue?
– Dave
Nov 15 '10 at 19:32
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TimeStamp on file name using PowerShell
... for a moment before realizing that it's not the -f operator but the short form for the -Format parameter. It looked rather out of place, somehow :-)
– Joey
Dec 24 '09 at 0:11
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Focus Next Element In Tab Index
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ok, is this for a form? If all of the elements you want are input elements, you can replace the line var tabbables = document.getElementsByName("tabable"); with var tabbables = document.getElementsByTagName("input"); instead
...
How to parse JSON using Node.js? [closed]
...is one of them.
Note: If you're using a JSON file to store sensitive information (e.g. passwords), that's the wrong way to do it. See how Heroku does it: https://devcenter.heroku.com/articles/config-vars#setting-up-config-vars-for-a-deployed-application. Find out how your platform does it, and u...
How can I pass selected row to commandLink inside dataTable or ui:repeat?
... // ...
}
This only requires that the datamodel is preserved for the form submit request. Best is to put the bean in the view scope by @ViewScoped.
You can even pass the entire item object:
<h:commandLink action="#{bean.insert(item)}" value="insert" />
with:
public void insert(Item it...
How does a Linux/Unix Bash script know its own PID?
...
use $BASHPID or $$
See the manual for more information, including differences between the two.
TL;DRTFM
$$ Expands to the process ID of the shell.
In a () subshell, it expands to the process ID of the invoking shell, not the subshell.
$BASHPID Expands to the proc...