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asp.net mvc: why is Html.CheckBox generating an additional hidden input
...uffinMan: This is not silly option. Lets say your view model has property called IsActive, which is initiated to true in constructor. User deselects checkbox, but since value is not sent to server, model binder doesn't pick it up, and property value is not changed. Model binder shouldn't assume, tha...
How to find SQL Server running port?
... -n" (from an elevated command prompt) and you don't see "sqlservr.exe" at all then either your SQL Server service is not running or its TCP/IP network library is disabled.
Run SQL Server Configuration Manager (Start | All Programs | Microsoft SQL Server 2008 | Configuration Tools).
Navigate to SQ...
Append value to empty vector in R?
... avoided".
As BrodieG mentioned in the comments: it is much better to pre-allocate a vector of the desired length, then set the element values in the loop.
Here are several ways to append values to a vector. All of them are discouraged.
Appending to a vector in a loop
# one way
for (i in 1:le...
How to Sign an Already Compiled Apk
...l files. I've then rebuilt it back up with apktool and when I tried to install it on my device (using adb: adb install appname.apk) it gave me this error:
...
Normalize data in pandas
... The corresponding method to create unit-normal normalized data is called StandardScaler.
– abeboparebop
Mar 1 '17 at 14:17
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Is There a Better Way of Checking Nil or Length == 0 of a String in Ruby?
..., {}, and [] are considered blank. I.e. {}.blank?, [].blank?, false.blank? all evaluate to true.
– ShaharZ
Sep 20 '16 at 22:22
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What's the difference between SoftReference and WeakReference in Java?
... strong enough to
force an object to remain in memory.
Weak references allow you to leverage
the garbage collector's ability to
determine reachability for you, so you
don't have to do it yourself. You
create a weak reference like this:
WeakReference weakWidget = new WeakReference(widget...
How much of a git sha is *generally* considered necessary to uniquely identify a change in a given c
...of it colliding would be negligible, how much of the SHA substring is generally required?
5 Answers
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What does the “map” method do in Ruby?
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Ahhh I get it. So .map actually mutates the array while .each just loops through the array to access the values while leaving the original array untouched?
– bigpotato
Aug 23 '12 at 4:18
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In Javascript, how to conditionally add a member to an object?
I would like to create an object with a member added conditionally.
The simple approach is:
22 Answers
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