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Email address validation using ASP.NET MVC data type attributes
...Expression Attribute, something like this:
[RegularExpression("^[a-zA-Z0-9_\\.-]+@([a-zA-Z0-9-]+\\.)+[a-zA-Z]{2,6}$", ErrorMessage = "E-mail is not valid")]
And don't delete [Required] because [RegularExpression] doesn't affect empty fields.
...
What is NSLayoutConstraint “UIView-Encapsulated-Layout-Height” and how should I go about forcing it
...
Try to lower the priority of your _collapsedtextHeightConstraint to 999. That way the system supplied UIView-Encapsulated-Layout-Height constraint always takes precedence.
It is based on what you return in -tableView:heightForRowAtIndexPath:. Make sure to r...
How to get overall CPU usage (e.g. 57%) on Linux [closed]
... + idle = 100%. So maybe something like: grep 'cpu ' /proc/stat | awk '{cpu_usage=($2+$4)*100/($2+$4+$5)} END {print cpu_usage "%"}'
– vimdude
Jun 2 '14 at 18:51
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Downloading images with node.js [closed]
...
request is deprecated.
– seeker_of_bacon
Feb 23 at 11:31
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show 12 more comments
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How to get a JavaScript object's class?
...might also want to mention instanceof/isPrototypeOf() and the non-standard __proto__
– Christoph
Aug 8 '09 at 18:46
10
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Deleting multiple elements from a list
...
As a function:
def multi_delete(list_, *args):
indexes = sorted(list(args), reverse=True)
for index in indexes:
del list_[index]
return list_
Runs in n log(n) time, which should make it the fastest correct solution yet.
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How to write to a file in Scala?
...re the main entry points into the Scala IO File API.
import scalax.io._
val output:Output = Resource.fromFile("someFile")
// Note: each write will open a new connection to file and
// each write is executed at the begining of the file,
// so in this case the last write will be th...
Hook up Raspberry Pi via Ethernet to laptop without router? [closed]
...a mirror site, e.g.
mirror.hmc.edu/debian/pool/main/a/autocutsel/autocutsel_0.10.0-1_armhf.deb
and install it
$sudo dpkg -i autocutsel_0.10.0-1_armhf.deb
Start vncserver on your RPi (You have to restart vncserver after installing autocutsel, you can issue $vncserver -kill :1)
$vncserver :1
Add a...
What is the maximum length of a table name in Oracle?
...
Teach a man to fish
Notice the data-type and size
>describe all_tab_columns
VIEW all_tab_columns
Name Null? Type
----------------------------------------- -------- ----------------------------
OWNER ...
Site stopped working in asp.net System.Web.WebPages.Razor.Configuration.HostSection cannot be cast t
...he context
'Default' at location
'C:\Windows\Microsoft.Net\assembly\GAC_MSIL\System.Web.WebPages.Razor\v4.0_2.0.0.0__31bf3856ad364e35\System.Web.WebPages.Razor.dll'.
Type B originates from 'System.Web.WebPages.Razor, Version=3.0.0.0,
Culture=neutral, PublicKeyToken=31bf3856ad364e35' in the c...