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How do I check two or more conditions in one ?
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If you are using JSP 2.0 and above It will come with the EL support:
so that you can write in plain english and use and with empty operators to write your test:
<c:if test="${(empty object_1.attribute_A) and (empty object_2.attribute_B)}">
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How to find third or nth maximum salary from salary table?
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Use ROW_NUMBER(if you want a single) or DENSE_RANK(for all related rows):
WITH CTE AS
(
SELECT EmpID, EmpName, EmpSalary,
RN = ROW_NUMBER() OVER (ORDER BY EmpSalary DESC)
FROM dbo.Salary
)
SELECT EmpID, EmpName, EmpSalary
FROM CTE
WHERE RN = @NthRow
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Using Auto Layout in UITableView for dynamic cell layouts & variable row heights
...each cell's content and subviews determine the row height (itself/automatically), while maintaining smooth scrolling performance?
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if else in a list comprehension [duplicate]
...with a specific condition (name in this example) var_list = [v for v in tf.all_variables() if v.name == 'C:0']
– Charlie Parker
Jul 25 '16 at 16:50
13
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Installed Ruby 1.9.3 with RVM but command line doesn't show ruby -v
...f /usr/share/ruby-rvm /etc/rvmrc /etc/profile.d/rvm.sh
open new terminal and validate environment is clean from old RVM settings (should be no output):
env | grep rvm
if there was output, try to open new terminal, if it does not help then restart your computer.
install RVM:
\curl -L https://g...
Get querystring from URL using jQuery [duplicate]
...hoping to find a solution that had had some testing done on it and covered all the bases (I'm saying that's what he was HOPING to find, not that jQuery would necessarily provide it).
– kghastie
Nov 5 '13 at 22:19
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ASP.NET MVC Relative Paths
...ten have to use relative paths. For example, when I reference JQuery, I usually do so like this:
11 Answers
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Enum type constraints in C# [duplicate]
What is the reason behind C# not allowing type constraints on Enum 's? I'm sure there is a method behind the madness, but I'd like to understand why it's not possible.
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How do I pass the this context to a function?
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Javascripts .call() and .apply() methods allow you to set the context for a function.
var myfunc = function(){
alert(this.name);
};
var obj_a = {
name: "FOO"
};
var obj_b = {
name: "BAR!!"
};
Now you can call:
myfunc.ca...
Bypass popup blocker on window.open when JQuery event.preventDefault() is set
... url: url,
dataType: 'json',
data: data,
success: callback
});
...and so you can make your $.getJSON call synchronous by mapping your params to the above and adding async: false:
$.ajax({
url: "redirect/" + pageId,
async: false,
dataType: "json",
data: {},
s...