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MySQL load NULL values from CSV data
...ual field value to NULL, if the local variable ends up containing an empty string:
LOAD DATA INFILE '/tmp/testdata.txt'
INTO TABLE moo
FIELDS TERMINATED BY ","
LINES TERMINATED BY "\n"
(one, two, three, @vfour, five)
SET four = NULLIF(@vfour,'')
;
If they're all possibly empty, then you'd read th...
Multiline strings in VB.NET
Is there a way to have multiline strings in VB.NET like Python
21 Answers
21
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How to set timer in android?
...onds / 60;
seconds = seconds % 60;
text.setText(String.format("%d:%02d", minutes, seconds));
return false;
}
});
//runs without timer be reposting self
Handler h2 = new Handler();
Runnable run = new Runnable() {
@Override
p...
Handling colon in element ID with jQuery
...z" and thus fail.
//You would first have to look for ":" in the id string, then replace it
var jEle = $(document.getElementById(id)); //forget about the fact
//that the id string might contain ':', this always works
}
//just to give an idea that the ID might be coming...
String contains another string [duplicate]
How can I check if a string contains another string instead of using "==" to compare the whole string?
1 Answer
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Most efficient way to cast List to List
...return statement, it is apparently fine to use it on an assignment, so the extra "result" variable solves this problem. (It should be optimized away either by the compiler or by the JIT anyway.)
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Read Excel File in Python
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You mentioned in the question that you also want the values output to a string. I dynamically build a format string for the output from the FORMAT column list. Rows are appended to the values string separated by a new line char.
The output column order is determined by the order of the column na...
Visibility of global variables in imported modules
...l = None
if 'MYVAL' in os.environ:
myval = os.environ['MYVAL']
As an extra precaution, handle the case when MYVAL is not defined inside the module.
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How do I get a div to float to the bottom of its container?
... Nope - this is not print publishing. There are some things that are extraordinarily difficult or impossible to accomplish using just html/css.
– Traingamer
Nov 25 '08 at 17:28
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C#: How to convert a list of objects to a list of a single property of that object?
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List<string> firstNames = people.Select(person => person.FirstName).ToList();
And with sorting
List<string> orderedNames = people.Select(person => person.FirstName).OrderBy(name => name).ToList();
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