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Sublime Text 2: How to delete blank/empty lines
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Select the text
Press:
Ctrl + H on PC, or
Command + Alt + F on Mac or
Click Find->Replace.
Make sure you have selected 'regular expression' by pressing:
Alt + R on PC or
Command + Alt + R on Mac or
Click .* in the Find ...
How to move the cursor word by word in the OS X Terminal
...e sequences for you:
Open Terminal preferences (cmd+,);
At Settings tab, select Keyboard and double-click ⌥ ← if it's there, or add it if it's not.
Set the modifier as desired, and type the shortcut key in the box: esc+B, generating the text \033b (you can't type this text manually).
Repeat fo...
How do I URl encode something in Node.js?
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You can use JavaScript's encodeURIComponent:
encodeURIComponent('select * from table where i()')
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MySQL, better to insert NULL or empty string?
...or an empty string using a bound variable but not for a NULL. This query:
SELECT *
FROM mytable
WHERE mytext = ?
will never match a NULL in mytext, whatever value you pass from the client. To match NULLs, you'll have to use other query:
SELECT *
FROM mytable
WHERE mytext IS NULL
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Show data on mouseover of circle
...and you don't need the mousehandler. The code would be something like
vis.selectAll("circle")
.data(datafiltered).enter().append("svg:circle")
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.append("svg:title")
.text(function(d) { return d.x; });
If you want fancier tooltips, you could use tipsy for example. See here for an ex...
SQL Server IN vs. EXISTS Performance
...execution operation, to get their results.
An example:
Query 1 ( plan )
select * from dt where dt.customer in (select c.code from customer c where c.active=0)
Query 2 ( plan )
select * from dt where exists (select 1 from customer c where c.code=dt.customer and c.active=0)
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IIS Express Immediately shutting-down running site after stopping web application
...debugging is stopped.
Right click your project > click Properties > select the 'Web' tab on the left > uncheck the Enable Edit and Continue checkbox.
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Pythonic way to create a long multi-line string
...de commas between the string segments, then it will be a tuple.
query = ('SELECT action.descr as "action", '
'role.id as role_id,'
'role.descr as role'
' FROM '
'public.role_action_def,'
'public.role,'
'public.record_def, '
'public.ac...
Generate .pem file used to set up Apple Push Notifications
...rtificates" on the left navigation bar. Then, click "+" button.
Step 2: Select Apple Push Notification service SSL (Production) option under Distribution section, then click "Continue" button.
Step 3: Select the App ID you want to use for your BYO app (How to Create An App ID), then click "Con...
How to view DLL functions?
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You may try the Object Browser in Visual Studio.
Select Edit Custom Component Set. From there, you can choose from a variety of .NET, COM or project libraries or just import external dlls via Browse.
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