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How to URL encode a string in Ruby
...on the path, from a full URL string.
ERB::Util.url_encode didn't work for my use:
helper.send(:url_encode, "http://example.com/?a=\11\15")
# => "http%3A%2F%2Fexample.com%2F%3Fa%3D%09%0D"
Based on two answers in "Why is URI.escape() marked as obsolete and where is this REGEXP::UNSAFE constant?...
What's the simplest way to print a Java array?
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@Hengameh: There are several other ways to do this, but my favorite is this one: javahotchocolate.com/notes/java.html#arrays-tostring .
– Russ Bateman
Aug 29 '15 at 6:16
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Multi-line tooltips in Java?
...ted May 15 '09 at 15:08
Michael Myers♦
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answered May 15 '09 at 13:38
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String comparison using '==' vs. 'strcmp()'
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icic tho in my current case, i dont need to know which string is greater :)
– Jiew Meng
Jul 26 '10 at 9:11
158
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How to catch an Exception from a thread
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I want to catch an exception from inside my thread - without it being stopped. Would this somehow be of use?
– Lealo
Aug 11 '17 at 17:44
add ...
What is the LD_PRELOAD trick?
...with your special malloc() implementation, do this:
$ LD_PRELOAD=/path/to/my/malloc.so /bin/ls
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`find -name` pattern that matches multiple patterns
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My default has been:
find -type f | egrep -i "*.java|*.css|*.cs|*.sql"
Like the less process intencive find execution by Brendan Long and Stephan202 et al.:
find Documents \( -name "*.py" -or -name "*.html" \)
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How to select date from datetime column?
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You can use MySQL's DATE() function:
WHERE DATE(datetime) = '2009-10-20'
You could also try this:
WHERE datetime LIKE '2009-10-20%'
See this answer for info on the performance implications of using LIKE.
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What does send() do in Ruby?
...ork with all kind of objects
with:
render 'your_view_path', object: "my_object"
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C# elegant way to check if a property's property is null
...hod for your object type called GetPropC().
Example:
public static class MyExtensions
{
public static int GetPropC(this MyObjectType obj, int defaltValue)
{
if (obj != null && obj.PropertyA != null & obj.PropertyA.PropertyB != null)
return obj.PropertyA.Prop...