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Using IoC for Unit Testing
...rtant. You can choose to use a DI Container to wire up the components, but if so, you are likely to need a different configuration for the container than in the full application - unless you perform a Subcutaneous Test or a full System Test, in which case you can reuse the application's configuratio...
Bash script to set up a temporary SSH tunnel
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If you use it in a script you need to wait for the control socket for a few seconds to become available. My solution: while [ ! -e $ctrl_socket ]; do sleep 0.1; done
– Adam Wallner
Feb 1...
How to run Ruby code from terminal?
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If Ruby is installed, then
ruby yourfile.rb
where yourfile.rb is the file containing the ruby code.
Or
irb
to start the interactive Ruby environment, where you can type lines of code and see the results immediately.
...
Linq with group by having count
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Setting up foreign keys in phpMyAdmin?
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If you want to use phpMyAdmin to set up relations, you have to do 2 things. First of all, you have to define an index on the foreign key column in the referring table (so foo_bar.foo_id, in your case). Then, go to relation vi...
How to fix PCH error?
...n key pressed) works for most people. See the selected answer by @gaige.
If you're unlike most people (myself included) and this still causes you trouble XCode has likely left your shared precompiled headers elsewhere. For me they were in a folder similar to this:
/var/folders/<some random tw...
static files with express.js
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If there is only ONE parameter - then express.static expects that one parameter to be path....
– Seti
Dec 16 '16 at 8:21
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What is the PostgreSQL equivalent for ISNULL()
...g that it is coalesce that is in SQL standard, with isnull being an MS-specific function that essentially is coalesce with only two parameters.
– GSerg
Feb 6 '10 at 20:35
4
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Deleting an object in java?
...ventually).
Example 1:
Object a = new Object();
a = null; // after this, if there is no reference to the object,
// it will be deleted by the garbage collector
Example 2:
if (something) {
Object o = new Object();
} // as you leave the block, the reference is deleted.
// Later o...
Using a constant NSString as the key for NSUserDefaults
...le the second is a pointer to a constant NSString object.
It is a subtle difference. The compiler warning happens because setObject:forKey: is declared as follows:
- (void)setObject:(id)value forKey:(NSString *)defaultName;
It is expecting the defaultName argument to be of type NSString *. When ...