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MySQL Error 1215: Cannot add foreign key constraint
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Collation was my issue, latin1 vs utf8 (check the table AND the column).
– ben_979
Apr 28 '16 at 1:15
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Replacement for deprecated sizeWithFont: in iOS 7?
....0f] with label.font - helps code maintenance by referencing existing data vs. you typing it multiple times or referencing constants all over the place, etc
– toblerpwn
Oct 30 '13 at 21:38
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How to output something in PowerShell
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I think the following is a good exhibit of Echo vs. Write-Host. Notice how test() actually returns an array of ints, not a single int as one could easily be led to believe.
function test {
Write-Host 123
echo 456 # AKA 'Write-Output'
return 789
}
$x = test
W...
How do you pass custom environment variable on Amazon Elastic Beanstalk (AWS EBS)?
...nvironment variables is not the same for getting a property.
System.getenv vs System.getProperty
I ssh'd into the box and verified that the environment variable was never set. However, in the tomcat logs I can see the -D property is set.
I've changed my code to check for both locations now as a wo...
How can I retrieve Id of inserted entity using Entity framework? [closed]
...://www.ladislavmrnka.com/2011/03/the-bug-in-storegeneratedpattern-fixed-in-vs-2010-sp1/
You have to set the property of StoreGeneratedPattern to identity and then try your own code.
Or else you can also use this.
using (var context = new MyContext())
{
context.MyEntities.AddObject(myNewObject);...
Convert objective-c typedef to its string equivalent
...n, so it's only created once and stays in memory otherwise. Classic memory vs. CPU conundrum.
– Joel Fischer
Apr 11 '14 at 14:24
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“using namespace” in c++ headers
... OP's idea of how scope should work (like the namespace declaration stuff) vs. how it actually works (like a variable). {} enclsing it limit its scope, {} after it do nothing relating to it. That is an accidental way that the using namespace gets applied globally.
– TafT
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Recommended way to embed PDF in HTML?
...object> tag if you want. Ref: stackoverflow.com/questions/1244788/embed-vs-object
– Raphael
Sep 11 '12 at 16:05
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What does the KEY keyword mean?
... (id) then you might additionally want to specify what INDEX is used (HASH vs BTREE). This example shows KEY and INDEX aren't synonyms.
– oneloop
Jan 31 '17 at 12:19
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What can , and be used for?
...nents (it is doing that "under the covers" already).
See also:
ViewParam vs @ManagedProperty(value = "#{param.id}")
Communication in JSF 2.0 - Processing GET request parameters
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