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When is del useful in python?
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One place I've found del useful is cleaning up extraneous variables in for loops:
for x in some_list:
do(x)
del x
Now you can be sure that x will be undefined if you use it outside the for loop.
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When is layoutSubviews called?
...gs correctly caused the animation to occur and my method to be called.
An extra problem in debugging this is that the simulator quits the app when the in-call status is toggled via the menu. Quit app = no debugger.
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Update MongoDB field using value of another field
....0
The way we do this is by $projecting our documents and use the $concat string aggregation operator to return the concatenated string.
we From there, you then iterate the cursor and use the $set update operator to add the new field to your documents using bulk operations for maximum efficiency.
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There is already an open DataReader associated with this Command which must be closed first
...some query.
This can be easily solved by allowing MARS in your connection string. Add MultipleActiveResultSets=true to the provider part of your connection string (where Data Source, Initial Catalog, etc. are specified).
sh...
How do I handle ImeOptions' done button click?
...content"
android:imeActionId="@integer/send"
android:imeActionLabel="@+string/send_label"
android:imeOptions="actionSend"
android:inputType="textEmailAddress"/>
And then, the sample code worked.
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SQLite add Primary Key
...(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 reopening the databa...
Indent multiple lines quickly in vi
...er summarises the other answers and comments of this question, and it adds extra information based on the Vim documentation and the Vim wiki. For conciseness, this answer doesn't distinguish between Vi and Vim-specific commands.
In the commands below, "re-indent" means "indent lines according to yo...
ASP.NET MVC A potentially dangerous Request.Form value was detected from the client when using a cus
...eed to allow HTML - best choice
using System.Web.Mvc;
[AllowHtml]
public string SomeProperty { get; set; }
On the controller action add this attribute to allow all HTML
[ValidateInput(false)]
public ActionResult SomeAction(MyViewModel myViewModel)
Brute force in web.config - definitely not r...
How do I convert from int to String?
I'm working on a project where all conversions from int to String are done like this:
20 Answers
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How to convert “camelCase” to “Camel Case”?
...been trying to get a JavaScript regex command to turn something like "thisString" into "This String" but the closest I’ve gotten is replacing a letter, resulting in something like "Thi String" or "This tring" . Any ideas?
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