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How can I merge two hashes without overwritten duplicate keys in Ruby?
... and defaults without overwriting the destination hash, you may check with select if the key is already present in the destination hash. Here's the pure Ruby solution without Rails:
options = { "a" => 100, "b" => 200 }
defaults = { "b" => 254, "c" => 300 }
options.merge!(defaults.selec...
Unable to update the EntitySet - because it has a DefiningQuery and no element exis
...ollowed to solve the problem as following:
Right click on the edmx file, select Open with, XML editor
Locate the entity in the edmx:StorageModels element
Remove the DefiningQuery entirely
Rename the store:Schema="dbo" to Schema="dbo" (otherwise, the code will generate an error saying the name is i...
One Activity and all other Fragments [closed]
...I used the single Activity approach and a Facebook style navigation. When selecting items from the navigation list I update a single Fragment container to display that section.
That said, having a single Activity also introduces a lot of complexities. Let's say you have an edit form, and for so...
What is the HTML tabindex attribute?
...ments support the tabindex attribute: anchor, area, button, input, object, select, and textarea. But the HTML5 spec, with accessibility in mind, allows all elements to be assigned tabindex.
--
For example
<ul tabindex="-1">
<li tabindex="1"></li>
<li tabindex="2"><...
How can I use mySQL replace() to replace strings in multiple records?
...GREATERTHAN', '>'), 'LESSTHAN', '<')
You can also do this when you select the data (as opposed to when you save it).
So instead of :
SELECT MyURLString From MyTable
You could do
SELECT REPLACE (MyURLString, 'GREATERTHAN', '>') as MyURLString From MyTable
...
Download and open PDF file using Ajax
...ame="endDate"/>
<input type="text" name="startDate"/>
<select name="reportTimeDetail">
<option value="1">1</option>
</select>
<button type="submit"> Submit</button>
</form>
A simple form with two input text, one select an...
How do I use FileSystemObject in VBA?
...crrun.dll
To reference this file, load the
Visual Basic Editor (ALT+F11)
Select Tools > References from the drop-down menu
A listbox of available references will be displayed
Tick the check-box next to 'Microsoft Scripting Runtime'
The full name and path of the scrrun.dll file will be displayed...
HTTPS setup in Amazon EC2
... of your project
On Load Balancer Protocol add Http and Https
Next > Select exiting security group
Choose the security group that you have create in the previous step
Next > Choose certificate from ACM
Select the certificate of the step 1
Next >
on Health check i've used the ping p...
jQuery selector for the label of a checkbox
If I have a check box with a label describing it, how can I select the label using jQuery? Would it be easier to give the label tag an ID and select that using $(#labelId) ?
...
How to add “on delete cascade” constraints?
...hy until you see "Constraints"), or you can query the information schema.
select *
from information_schema.key_column_usage
where position_in_unique_constraint is not null
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