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Why does my application spend 24% of its life doing a null check?
...d. The next statement is very cheap because the while() statement already did the heavy lifting of retrieving the value from memory. Assigning the local variable is cheap, a processor uses a buffer for writes.
Not otherwise a simple problem to solve, flattening your tree into arrays is very likely ...
Under what circumstances is an SqlConnection automatically enlisted in an ambient TransactionScope T
...stributed transaction, which can be confirmed by checking for a non-null GUID at Transaction.Current.TransactionInformation.DistributedIdentifier.
*Update: I read somewhere that this is fixed in SQL Server 2008, so that MSDTC is not used when the same connection string is used for both connections (...
How to limit setAccessible to only “legitimate” uses?
...mpletely at their mercy anyway. They could modify the class definitions inside your .jar (through reverse engineering or direct bytecode manipulation). They could run your code in their own JVM, etc. In this case worrying will do you no good.
If you're writing a web-application that only interfaces...
Difference between rake db:migrate db:reset and db:schema:load
... database
rake db:schema:load If you wanna reset database to schema as provided in schema.rb (This will delete all data)
Explanations
rake db:schema:load will set up the schema as provided in schema.rb file. This is useful for a fresh install of app as it doesn't take as much time as db:migrate
Im...
how do I work around log4net keeping changing publickeytoken
....v1">
<dependentAssembly>
<assemblyIdentity name="log4net" publicKeyToken="1b44e1d426115821" culture="neutral" />
<bindingRedirect oldVersion="0.0.0.0-1.2.10.0"
newVersion="1.2.11.0"/>
</...
What is a practical use for a closure in JavaScript?
...n ( a.publicfunction() ) which calls privatefunction, which only exists inside the closure. You can NOT call privatefunction directly (i.e. a.privatefunction() ), just publicfunction().
Its a minimal example but maybe you can see uses to it? We used this to enforce public/private methods.
...
Intersection of two lists in Bash
... just used this in an effort to find usages of a public method error() provided by a trait, in combination with git grep, and it was awesome! I ran $ comm -12 <(git grep -il "\$this->error(" -- "*.php") <(git grep -il "Dash_Api_Json_Response" -- "*.php"), and luckily I ended up with the nam...
CSS endless rotation animation
...: rotating 2s linear infinite;
}
<div
class="rotating"
style="width: 100px; height: 100px; line-height: 100px; text-align: center;"
>Rotate</div>
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Is git's semi-secret empty tree object reliable, and why is there not a symbolic name for it?
...ect", 2008-02-13, Git v1.5.5-rc0 -- merge), and the function now known as oid_object_info() was taught the empty tree in c4d9986f5f ("sha1_object_info: examine cached_object store too", 2011-02-07, Git v1.7.4.1).
Note, you will see that SHA1 pop up on some GitHub repo when the author wants it...
How to update Python?
.... 2.7.4),
different major version of official Python (e.g. 3.3), install side-by-side with old, set paths/associations to point to dominant (e.g. 2.7), shortcut to other (e.g. in BASH $ ln /c/Python33/python.exe python3).
The answer depends:
If OP has 2.7.x and wants to install newer version of...