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What's the difference setting Embed Interop Types true and false in Visual Studio?
... Types off. The difference is mentioned here: “C# 4, and later versions, converts the returned Object to dynamic automatically if the assembly is referenced by the /link compiler option or, equivalently, if the Excel Embed Interop Types property is set to true. True is the default value for this p...
How to edit one specific row in Microsoft SQL Server Management Studio 2008?
...rver Management Studio 2008/2012/2014/2016
Step 1: Right button mouse > Select "Edit Top 200 Rows"
Step 2: Navigate to Query Designer > Pane > SQL (Shortcut: Ctrl+3)
Step 3: Modify the query
Step 4: Right button mouse > Select "Execute SQL" (Shortcut: Ctrl+R)
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How would you compare jQuery objects?
...hare identical nodes. Here is a small code snippet. You may even want to convert this into a jquery plugin for your own uses.
jQuery(function($) {
// Two separate jQuery references
var divs = $("div");
var divs2 = $("div");
// They are equal
if (divs.length == divs2.length && d...
How to calculate the angle between a line and the horizontal axis?
...tant to note that Math.sin and Math.cos take radians so you do not need to convert the result into degrees! So ignore the * 180 / PI bit. It took me 4 hours to find that out. :)
– sidonaldson
Oct 8 '13 at 21:26
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How to check if a model has a certain column/attribute?
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For bonus points use Hash#select: number_hash.select { |key, value| Number.column_names.include? key }
– hgmnz
Nov 10 '09 at 18:31
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Multiline strings in JSON
...working because they're not escaping the backslash, as "\\n", so Python is converting the escape sequence to a newline character rather than leaving it as literally a backslash followed by an en, as JSON requires.
– user359996
Jan 30 '13 at 21:57
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ERROR 2006 (HY000): MySQL server has gone away
...L/MariaDB server.
Double check the value was set properly by:
mysql -sve "SELECT @@max_allowed_packet" # or:
mysql -sve "SHOW VARIABLES LIKE 'max_allowed_packet'"
You got a timeout from the TCP/IP connection on the client side.
Solution: Increase wait_timeout variable.
You tried to run a query a...
Automatic creation date for Django model form objects?
...t do that (the database needs something to populate existing rows). Please select a fix: 1) Provide a one-off default now (will be set on all existing rows) 2) Quit, and let me add a default in models.py Select an option: 1 Please enter the default value now, as valid Python The datetime and djang...
Changing Ctrl + Tab behavior for moving between documents in Visual Studio
...w place cursor in the Press shortcut keys: textbox (doesn't matter what is selected currently, you're not going to Assign this time), and type first of the three (or two or one) shortcuts.
You'll see Shortcut currently used by: listed. Ensure that you have no duplicate entry for the shortcut. In...
Why do I get the error “Unsafe code may only appear if compiling with /unsafe”?
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For everybody who uses Rider you have to select your project>Right Click>Properties>Configurations Then select Debug and Release and check "Allow unsafe code" for both.
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