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In JavaScript can I make a “click” event fire programmatically for a file input element?
...u cannot do that in all browsers, supposedly IE does allow it, but Mozilla and Opera do not.
When you compose a message in GMail, the 'attach files' feature is implemented one way for IE and any browser that supports this, and then implemented another way for Firefox and those browsers that do not...
How can I dynamically create derived classes from a base class
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This bit of code allows you to create new classes with dynamic
names and parameter names.
The parameter verification in __init__ just does not allow
unknown parameters, if you need other verifications, like
type, or that they are mandatory, just add the logic
there:
class BaseClass(object):...
Run an OLS regression with Pandas Data Frame
I have a pandas data frame and I would like to able to predict the values of column A from the values in columns B and C. Here is a toy example:
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Purpose of buildscript block in Gradle
I am new to Gradle and I am reading the documentation but I don't understand some parts of it. One of these parts is connected with buildscript block. What is its purpose?
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PCH File in Xcode 6
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Add the pch file which is under Others in File-New...and don't forget to add it to your LLVM6.0 - Language section of Build Settings as Project/whateveryounamedyourpchfile.pch
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How do I create delegates in Objective-C?
I know how delegates work, and I know how I can use them.
19 Answers
19
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How to fix “Incorrect string value” errors?
After noticing an application tended to discard random emails due to incorrect string value errors, I went though and switched many text columns to use the utf8 column charset and the default column collate ( utf8_general_ci ) so that it would accept them. This fixed most of the errors, and made ...
Get the last inserted row ID (with SQL statement) [duplicate]
...ou haven't inserted another row - it just returns the last IDENTITY value handed out in this scope here.
There are at least two more options - @@IDENTITY and IDENT_CURRENT - read more about how they works and in what way they're different (and might give you unexpected results) in this excellent bl...
Renaming branches remotely in Git
If there is a repository that I only have git:// access to (and would usually just push+pull), is there a way to rename branches in that repository in the same way that I would do locally with git branch -m ?
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How does MySQL process ORDER BY and LIMIT in a query?
...ments, the first argument specifies the offset of the first row to return, and the second specifies the maximum number of rows to return. The offset of the initial row is 0 (not 1):
SELECT * FROM tbl LIMIT 5,10; # Retrieve rows 6-15
To retrieve all rows from a certain offset up to the end of the...