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How can a LEFT OUTER JOIN return more records than exist in the left table?
I have a very basic LEFT OUTER JOIN to return all results from the left table and some additional information from a much bigger table. The left table contains 4935 records yet when I LEFT OUTER JOIN it to an additional table the record count is significantly larger.
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How to match all occurrences of a regex
...starting point for each match in ruby"
Reading about special variables $&, $', $1, $2 in Ruby will be helpful too.
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Google fonts URL break HTML5 Validation on w3.org
...coded HTML without encoding other characters but those used for HTML e.g. &, " and '. And those special characters would need to be encoded by HTML rules (e.g. &amp etc). The user agent is then expected to follow RFC 3987 and convert the IRI to percent encoded UTF-8 before submitting it ov...
What is uint_fast32_t and why should it be used instead of the regular int and uint32_t?
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int may be as small as 16 bits on some platforms. It may not be sufficient for your application.
uint32_t is not guaranteed to exist. It's an optional typedef that the implementation must provide iff it has an unsigned integer type of exactl...
Does Java support default parameter values?
...to it! What I wanted to communicate: as a reader of your blog, a 50 line example with a brief text description of what's going on would help me more than 300 lines without context.
– Christian Aichinger
Jan 27 '16 at 22:12
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python multithreading wait till all threads finished
...oin method of Thread object in the end of the script.
t1 = Thread(target=call_script, args=(scriptA + argumentsA))
t2 = Thread(target=call_script, args=(scriptA + argumentsB))
t3 = Thread(target=call_script, args=(scriptA + argumentsC))
t1.start()
t2.start()
t3.start()
t1.join()
t2.join()
t3.join...
A potentially dangerous Request.Path value was detected from the client (*)
...uld need to encode it using a different scheme, and then decode it.
For example using an arbitrary character as escape character:
query = query.Replace("x", "xxx").Replace("y", "xxy").Replace("*", "xyy");
And decoding:
query = query.Replace("xyy", "*").Replace("xxy", "y").Replace("xxx", "x");
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How to break lines at a specific character in Notepad++?
... field, type ],\s*
In the Replace with text field, type ],\n
Click Replace All
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Apache Commons equals/hashCode builder [closed]
...t hibernate). But as Alain writes, the Guava way is even nicer:
Here's a sample Bean:
public class Bean{
private String name;
private int length;
private List<Bean> children;
}
Here's equals() and hashCode() implemented with Commons/Lang:
@Override
public int hashCode(){
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Case insensitive 'in'
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Prefer to lower all keys when building the dict, for performance reasons.
– Ryan
May 1 '13 at 6:27
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