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Add a column to a table, if it does not already exist
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You can use a similar construct by using the sys.columns table io sys.objects.
IF NOT EXISTS (
SELECT *
FROM sys.columns
WHERE object_id = OBJECT_ID(N'[dbo].[Person]')
AND name = 'ColumnName'
)
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How to generate serial version UID in Intellij
When I used Eclipse it had a nice feature to generate serial version UID.
5 Answers
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Is there any way to post events to Google Analytics via server-side API? [closed]
... This should be accepted answer. We probably are in a similar situation like OP where we want to have fairly accurate revenue figure with website visitors data. And browser side tracking just not good enough for the last step of completing payment (for e.g. customer does not come back from pa...
How can you debug a CORS request with cURL?
...is too bright for white bg.
endColor='\033[0m'
#
# a colored message
# params:
# 1: l_color - the color of the message
# 2: l_msg - the message to display
#
color_msg() {
local l_color="$1"
local l_msg="$2"
echo -e "${l_color}$l_msg${endColor}"
}
#
# show the usage
#
usage() {
...
What is the apply function in Scala?
...unny ways, so instead of saying "then we call function f passing it x as a parameter" as we programmers would say, they talk about "applying function f to its argument x".
In mathematics and computer science, Apply is a function that applies
functions to arguments.
Wikipedia
apply serves...
Reloading submodules in IPython
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If you want to always enable this settings, modify your IPython configuration file ~/.ipython/profile_default/ipython_config.py[1] and appending:
c.InteractiveShellApp.extensions = ['autoreload']
c.InteractiveShellApp.exec_lines = ['%autoreload 2']
Credit to @Kos via a comment below.
[1]
I...
Remove CSS “top” and “left” attributes with jQuery
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$('.map').css('top', 'auto').css('left', 'auto');
You also have the option of wholly removing the style attribute:
$('.map').removeAttr('style');
However, if you're using other jQuery UI components, those may require inline styles that you don't want to be removed, so proceed with caution the...
Xcode 4 says “finished running ” on the targeted device — Nothing happens
The app neither installs nor runs on my device. All provisioning profiles are up to date. I've already tried deleting and re-installing them.
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How to scale a UIImageView proportionally?
I have a UIImageView and the objective is to scale it down proportionally by giving it either a height or width.
17 Answer...
cannot load such file — bundler/setup (LoadError)
I'm setting Rails 4 application with Ruby 2.0, but I'm getting "Web application could not be started" and get this trace:
1...