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How to check what version of jQuery is loaded?
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if (typeof jQuery != 'undefined') {
// jQuery is loaded => print the version
alert(jQuery.fn.jquery);
}
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What is sandboxing?
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>>why is it called 'sandboxing' @eSKay because people play with software/hardware like children in their sandboxes (thefreedictionary.com/sandbox - definition #3).
– Darmen Amanbayev
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How do you reset the stored credentials in 'git credential-osxkeychain'?
...easily to do it through the Keychain Access app. Just go to Applications -> Utilties -> Keychain Access, then enter "github.com". You can either delete the invalid item or update the password from with the app.
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Java: Class.this
...s in new THIS operation by hashcode( .## )
test in scala console :
scala> val x = new THIS
x: THIS = THIS@5ab9b447
scala> val y = x.andthen
1522119751:inner-THIS.this.##
404586280:inner-this.##
1522119751:inner-inner-THIS.this.##
2027227708:inner-this.##
y: THIS = THIS$$anon$1@181d7f28
sca...
How do I install the yaml package for Python?
...er in 2013, there were about 10 results for yaml in PyPI; today there are >4500; >750 matches for "pyyaml". In the comments to how does pip search work, we find that pip only returns the first 100 results, due to the PyPI api. But that is an explanation for the problem, not a method to solve...
What's the difference between == and .equals in Scala?
...boxed to call this (though hidden in Scala; more obvious in Java with int->Integer). The default implementation merely compares references (as in Java)
The Any.==(Any) method compares two objects and allows either argument to be null (as if calling a static method with two instances). It compare...
SELECT INTO Variable in MySQL DECLARE causes syntax error?
...ev.mysql.com/doc/refman/5.0/en/select-into-statement.html
Example:
mysql> SELECT 1 INTO @var;
Query OK, 1 row affected (0.00 sec)
mysql> SELECT @var;
+------+
| @var |
+------+
| 1 |
+------+
1 row in set (0.00 sec)
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Windows service on Local Computer started and then stopped error
...this by going to the computer/server manager, then clicking Event Viewer -> Windows Logs -> Application. You can see what threw the exception here, which may help, but you don't get the stack trace.
Extract your program logic into a library class project. Now create two different versions of...
Syntax behind sorted(key=lambda: …)
...lambda is a Python keyword that is used to generate anonymous functions.
>>> (lambda x: x+2)(3)
5
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How to write to an existing excel file without overwriting data (using pandas)?
...t.
writer.sheets = dict((ws.title, ws) for ws in book.worksheets)
data_filtered.to_excel(writer, "Main", cols=['Diff1', 'Diff2'])
writer.save()
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