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ORA-12505, TNS:listener does not currently know of SID given in connect descriptor
...ect to it, but it couldn't connect you to the database because it doesn't know that that database is up. There are two reasons for this:
the database has not been started up,
the database has not registered with the listener, e.g. because the database was started before the listener. (When the d...
HashSet versus Dictionary w.r.t searching time to find if an item exists
...P. I already have a dictionary i'm using for other reasons, and wanted to know if i benefit from changing to a Hashset instead of using ContainsKey. Looks like the answer is no since both are so fast.
– FistOfFury
Sep 12 '12 at 19:15
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How to invoke a Linux shell command from Java
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@Narek. It should, but I don;'t know how csh handles arguments.
– KitsuneYMG
Sep 17 '09 at 12:38
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How to use auto-layout to move other views when a view is hidden?
...ample) set the view's width to 0, you'll run into two problems. First, you now have double spacing between the superview and the visible view: |-(space)-[hidden(0)]-(space)-[visible] is effectively |-(2*space)-[visible]. Second, that view might start throwing constraint violations depending on its o...
Django: How to completely uninstall a Django app?
...py makemigrations -n drop_all_tables my_app_to_remove
The directory looks now like this:
my_app_to_remove/
my_app_to_remove/__init__.py
my_app_to_remove/migrations
my_app_to_remove/migrations/0001_initial.py
my_app_to_remove/migrations/....
my_app_to_remove/migrations/0030_drop_all_tables.py
my_ap...
Pull new updates from original GitHub repository into forked GitHub repository
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What if I know that upstream branch doesn't have any changes to existing files, but only few resource files added - do I still need merge?
– azec-pdx
Dec 16 '12 at 11:54
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Firefox Add-on RESTclient - How to input POST parameters?
...Content-Type” and “value” = “application/x-www-form-urlencoded”
Now, you are able to submit parameter like “name=mynamehere&title=TA” in the “request body” text area field
share
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Creating a new DOM element from an HTML string using built-in DOM methods or Prototype
...oduced the <template> element which can be used for this purpose (as now described in the WhatWG spec and MDN docs).
A <template> element is used to declare fragments of HTML that can be utilized in scripts. The element is represented in the DOM as a HTMLTemplateElement which has a .con...
How does inline Javascript (in HTML) work?
I know this is bad practice. Don't write code like this if at all possible.
6 Answers
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Why is JavaScript called JavaScript, since it has nothing to do with Java? [closed]
...zed language is named ECMAScript.
JavaScript isn't actually an open name. Now it's a trademark of Sun (now Oracle).
There still a lot of confusion, some people still think that JavaScript, JScript, and ECMAScript are three different languages.
ECMAScript is the "standards" name for the language. ...