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How many String objects will be created when using a plus sign?
...ther optimizations at runtime. I'm just going by what IL is produced.
Finally, as regards interning, constants and literals are interned, but the value which is interned is the resulting constant value in the IL, not the literal. This means that you might get even fewer string objects than you ex...
Unknown Column In Where Clause
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If you're trying to perform a query like the following (find all the nodes with at least one attachment) where you've used a SELECT statement to create a new field which doesn't actually exist in the database, and try to use the alias for that result you'll run into the same problem:
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Entity Framework 4 Single() vs First() vs FirstOrDefault()
...where you are expecting a single record but they won't warn you if you actually get more than that single record back which could be important depending on the situation.
– Steve Willcock
Aug 14 '10 at 22:47
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A generic error occurred in GDI+, JPEG Image to MemoryStream
This seems to be a bit of an infamous error all over the web. So much so that I have been unable to find an answer to my problem as my scenario doesn't fit. An exception gets thrown when I save the image to the stream.
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How to change node.js's console font color?
... var colors = require('colors/safe'); and then use colors.red('left string all alone')
– Laoujin
Apr 29 '15 at 20:20
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Difference between := and = operators in Go
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@KrupalShah the link to the docs literally says that - "It is shorthand for a regular variable declaration with initializer expressions but no types:" golang.org/ref/spec#Short_variable_declarations
– akshaynagpal
Jun 16 '...
How do I run a Python program in the Command Prompt in Windows 7?
...Python27). See below for exact steps.
The PATH environment variable lists all the locations that Windows (and cmd.exe) will check when given the name of a command, e.g. "python" (it also uses the PATHEXT variable for a list of executable file extensions to try). The first executable file it finds o...
How do I remove msysgit's right click menu options?
...f you are on Windows 10 and the previous methods did not work try to uninstall the application and reinstall it. But be careful during the installation process unchecking Windows explorer integration
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AngularJS : Difference between the $observe and $watch methods
...ed to observe/watch the value change of a DOM attribute. It is only used/called inside directives. Use $observe when you need to observe/watch a DOM attribute that contains interpolation (i.e., {{}}'s).
E.g., attr1="Name: {{name}}", then in a directive: attrs.$observe('attr1', ...).
(If you try ...
MySQL Creating tables with Foreign Keys giving errno: 150
... CONSTRAINT's ON DELETE rule is SET NULL make sure the foreign key can actually be NULL! I spent 30 minutes reading this answer over and over, making sure my tables met the conditions but still getting Error 150. Then I noticed my FK was a NOT NULL field meaning the rule was impossible to apply.
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