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Binding a WPF ComboBox to a custom list
...0">
<Grid>
<StackPanel>
<Button Click="Button_Click">asdf</Button>
<ComboBox ItemsSource="{Binding Path=PhonebookEntries}"
DisplayMemberPath="Name"
SelectedValuePath="Name"
SelectedValue="{Binding...
Best way to test if a row exists in a MySQL table
...ng':
SELECT * FROM test WHERE texte LIKE '%something%' LIMIT 1 with
mysql_num_rows() : 0.039061069488525s. (FASTER)
SELECT count(*) as count FROM test WHERE text LIKE '%something% :
16.028197050095s.
SELECT EXISTS(SELECT 1 FROM test WHERE text LIKE '%something%') :
0.87045907974243s.
SELECT EXIS...
How exactly does a generator comprehension work?
...s, and yields each item out of the expression, one by one.
>>> my_list = [1, 3, 5, 9, 2, 6]
>>> filtered_list = [item for item in my_list if item > 3]
>>> print(filtered_list)
[5, 9, 6]
>>> len(filtered_list)
3
>>> # compare to generator expression
.....
Javascript reduce() on Object
... reduce is an Array method, not an Object's one, and you can't rely on the order when you're iterating the properties of an object (see: https://developer.mozilla.org/en-US/docs/JavaScript/Reference/Statements/for...in, this is applied to Object.keys too); so I'm not sure if applying reduce over an ...
How do you automatically set text box to Uppercase?
...le="text-transform:uppercase" />
<img src="../images/tickmark.gif" border="0" />
Please note this transformation is purely visual, and does not change the text that is sent in POST.
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Jenkins / Hudson environment variables
...corner: The jenkins master caches the environment variables from slaves in order to patch the customizations. So if you change environment variables on a slave (system or user), you need to restart the master to update the slaves config.
– Thinkeye
Mar 25 '15 a...
Where to find Java JDK Source Code? [closed]
...d page, what to I have do download? The big file jdk-6u21-ea-src-b04-jrl-05_may_2010.jar, 136.48 MB? I already downloaded that one. But doesn't contain the source code.
– Martijn Courteaux
May 24 '10 at 12:06
...
Node.js app can't run on port 80 even though there's no other process blocking the port
...
Short answer: You can allow node access to that port using:
setcap 'cap_net_bind_service=+ep' /path/to/nodejs
long answer
Edit:
May not work on new node versions
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Accessing private member variables from prototype-defined functions
...ns they're going to be public. So we just stick to naming conventions for _private fields.
Don't bother mixing Closures with Prototypes
I think you shouldn't mix closure variables with prototype methods. You should use one or the other.
When you use a closure to access a private variable, pro...
SQL Server Linked Server Example Query
...ver will likely be downloaded to the server the query is executing from in order to do the join operation. In the OP's case, both table1 from DB1 and table1 from DB2 will be transferred in their entirety to the server executing the query, presumably named DB3.
If you have large tables, this may ...