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Rails - Validate Presence Of Association?
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edited Dec 21 '17 at 21:06
Dorian
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answered...
In PHP, why does not show a parse error?
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<% ... %> (deprecated and removed ASP-style tag after 5.3.0)
Apparently, you can open a PHP block one way, and close it the other. Didn't know that.
So in your code, you opened the block using <? but PHP recognizes </script> as the closer. What happened was:
<?php ...
.NET List Concat vs AddRange
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answered Sep 19 '08 at 7:17
Greg BeechGreg Beech
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MySQLDump one INSERT statement for each data row
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answered Sep 15 '12 at 17:01
driisdriis
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How to select a node using XPath if sibling node has a specific value?
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answered Jun 11 '13 at 10:47
Jens EratJens Erat
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What will happen if I modify a Python script while it's running?
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– Ignacio Vazquez-Abrams
Mar 14 '11 at 9:50
62
But what if you re-launch while running, when the new py...
Useful example of a shutdown hook in Java?
... volatile boolean keepRunning = true;
In run() you change to
for (int i = 0; i < N && keepRunning; ++i)
writeBatch(pw, i);
In main() you add:
final Thread mainThread = Thread.currentThread();
Runtime.getRuntime().addShutdownHook(new Thread() {
public void run() {
keepRu...
How can I create a correlation matrix in R?
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104
An example,
d &lt- data.frame(x1=rnorm(10),
x2=rnorm(10),
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Random record in ActiveRecord
...a table via ActiveRecord. I've followed the example from Jamis Buck from 2006 .
25 Answers
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Using an if statement to check if a div is empty
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10 Answers
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