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What exactly are iterator, iterable, and iteration?
What is the most basic definition of "iterable", "iterator" and "iteration" in Python?
13 Answers
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Can not connect to local PostgreSQL
...rectory as pg_hba.conf (You'll have to figure out which one). Once you've set the permissions you will need to restart postgresql.
# postgresql.conf should contain...
unix_socket_directory = '/var/run/postgresql' # dont worry if yours is different
#unix_socket_group = '' ...
SQLite add Primary Key
... key index, (i.e. sqlite_autoindex_XXX_1, where XXX is the table name) and set the sql string to NULL. At last change the table definition itself.
One pittfal: sqlite does not see the index name change until the database is reopened. This seems like a bug, but not a severe one (even without reopenin...
Command not found error in Bash variable assignment
...')
When you write:
STR= foo
bash tries to run the command foo with STR set to the empty string in its environment.
I'm not sure if this helps to clarify or if it is mere obfuscation, but note that:
the first command is exactly equivalent to: STR "=" "foo",
the second is the same as STR "=foo"...
Semantic-ui vs Bootstrap [closed]
...the design is stunning in my opinion and there are a lot of components and settings to use and to choose from the set.
Another thing that I noticed is the package, very well organized, every component if you want has its own stylesheet and script-file, therefore you'll be able to load only what you...
Renaming projects in Xcode 4
...the '<RootFolder>/<OldProjectName>' folder
- Open the Project Settings, choose the Project target and under 'Build Settings'
- find change the path appropriately for the following values:
'Prefix Header' and 'Info.plist file'
And you're done.
If you also have a Tests fo...
“SetPropertiesRule” warning message when starting Tomcat from Eclipse [duplicate]
...he service to it after that. Smooth sailing afterwards. I guess it was a setting that I modified somewhere along the way...
– Asaf
Sep 19 '11 at 21:56
11
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Is there any way to do a “Replace Or Insert” using web.config transformation?
...
Use the InsertIfMissing transformation to ensure that the appSetting exists.
Then use the Replace transformation to set its value.
<appSettings>
<add key="Environment" xdt:Transform="InsertIfMissing" xdt:Locator="Match(key)" />
<add key="Environment" value="Live" xd...
Best way to disable button in Twitter's Bootstrap [duplicate]
...be sufficient for Bootstrap 3. It appears bootstrap is doing something on setting a btn to be visually disabled that also is preventing the click event from firing. In pure jQuery and HTML without Bootstrap 3, such as some of the fiddle examples, it appears to be a more complicated story. But thi...
Redirect to an external URL from controller action in Spring MVC
... method(HttpServletResponse httpServletResponse) {
httpServletResponse.setHeader("Location", projectUrl);
httpServletResponse.setStatus(302);
}
Second:
@RequestMapping(value = "/redirect", method = RequestMethod.GET)
public ModelAndView method() {
return new ModelAndView("redirect:" +...