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Eiffel: loosening the pre-conditions and tightening the post-conditions?
Category : Development Tools & Services

In Eiffel it is said that we should "loosen the pre-conditions and tightening the post-conditions", but I am not sure what this means. How does this benefit/is benefited by sub-classing?


Thank you


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difference between if/else conditions and template match conditions
Category : Network & Servers

Going back to the basics, I would like to know in detail the significance of the below code over the latter .. or vice versa ..


Code sample1:


<xsl:template match="Gender">
<xsl:copy>
<xsl:if test=".='M'">
<xsl:text>Male</xsl:text>
</xsl:if>
<xsl:if test=".='F'">

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Dynamic linq query with dynamic where conditions and from conditions
Category : Coding
public GetApplicants(string Office,
int Id,
List<int> cfrparts,
List<int> expertiseAreaIds,
List<int> authIds,
List<int> specIds)
{
bool isAuthIdsNull = authIds == null;
authIds = authI

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Can you use if/else conditions in CSS?
Category : Web Design

I would like to use conditions in my CSS.


The idea is that I have a variable that I replace when the site is run to generate the right style-sheet.


I want it so that according to this variable the style-sheet changes!


It looks like:


[if {var} eq 2 ]
background-position : 150px 8px;
[else]
background-posit

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TAGS : else conditions

if not conditions in R?
Category : Development Tools & Services

is there anything like "if not" conditions in R?


easy Example (not working):


fun <- function(x)
{
if (!x > 0) {print ("not bigger than zero")}
}
fun(5)

Best wishes
Philipp


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TAGS : conditions

Ant conditions - which comes first 'if' or 'unless'
Category : Web Design

Question


If an ant target uses both if and unless, which is evaluated first?


Example


What comes first, the chicken or the egg? . . .


<target name="prepare" if="chicken" unless="egg" >
<echo>Dinner time. Chicken is served!</echo>
</target>

Would ant evaluate the chicken property first?


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Help with conditions
Category : Programming Languages

What am I doing wrong here??


features = WidgetFeature.all(:conditions => {:widget_id=>params[:id], :children_features=>nil, :filterable => true" })

I want to find all those features where widget_id = params[:id] AND children_features IS NIL AND filterable IS TRUE


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php. if conditions
Category : Development Tools & Services

This seems simple but I don't know why it doe snot work.


I need to write an if statement that


first, checks if it is numeric
second, if it is not between 1 and 10, issue errorA
third, if it is not between 20 and 30, issue errorB
fourth, it is not a number, issue errorC

If is not numeric and satisfies all the ranges, added to


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TAGS : conditions

Conditions in CSS
Category : Programming Languages

I've a test.css file with the following styles:


....
#body
{
font-family:Verdana, sans-serif;
font-size:10pt;
margin:0;
padding:0;
}
div#inscreenalertcontainer
{
margin:32px;
padding:16px;
width:100%;
}
....

For IE the attribute width:100%; is necess


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TAGS : Conditions

conditions in css fle?
Category : Programming Languages

Part of my css file:


#accordion1 .slide_handle {
background:url(/assets/handles-1.png);
bottom:0;
cursor:pointer;
left:0;
position:absolute;
top:0;
width:40px;
}

Shows a accordion with text writen in handles.1.png. I am developing the site in 4 languages. How can I change the png file based o


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TAGS : conditions

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