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What is the benefit of zerofill in MySQL?
..., 123456789);
SELECT x, y FROM yourtable;
Result:
x y
00000001 1
00000012 12
00000123 123
123456789 123456789
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How to select lines between two marker patterns which may occur multiple times with awk/sed
... to trigger the print when necessary:
$ awk '/abc/{flag=1;next}/mno/{flag=0}flag' file
def1
ghi1
jkl1
def2
ghi2
jkl2
How does this work?
/abc/ matches lines having this text, as well as /mno/ does.
/abc/{flag=1;next} sets the flag when the text abc is found. Then, it skips the line.
/mno/{f...
What happens to a declared, uninitialized variable in C? Does it have a value?
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Validation failed for one or more entities while saving changes to SQL Server Database using Entity
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840
You can extract all the information from the DbEntityValidationException with the following code...
Which maven dependencies to include for spring 3.0?
I am trying to do my first project with Spring 3.0 (and maven). I have been using Spring 2.5 (and primer versions) in quite some projects. Nevertheless I am kinda confused, what modules I have to define as dependencies in my pom.xml. I just want to use the core container functions (beans, core, cont...
TreeMap sort by value
...es = e1.getValue().compareTo(e2.getValue());
return res != 0 ? res : 1;
}
}
);
sortedEntries.addAll(map.entrySet());
return sortedEntries;
}
Now you can do the following:
Map<String,Integer> map = new TreeMap<String,Integer>();
m...
Return value in a Bash function
...you can specify with it is the function's own exit status (a value between 0 and 255, 0 meaning "success"). So return is not what you want.
You might want to convert your return statement to an echo statement - that way your function output could be captured using $() braces, which seems to be exact...
How to use DbContext.Database.SqlQuery(sql, params) with stored procedure? EF Code First C
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How to create a tag with Javascript?
...red; }',
head = document.head || document.getElementsByTagName('head')[0],
style = document.createElement('style');
head.appendChild(style);
style.type = 'text/css';
if (style.styleSheet){
// This is required for IE8 and below.
style.styleSheet.cssText = css;
} else {
style.appendChi...
Ignore invalid self-signed ssl certificate in node.js with https.request?
...p and insecure answer:
Add
process.env["NODE_TLS_REJECT_UNAUTHORIZED"] = 0;
in code, before calling https.request()
A more secure way (the solution above makes the whole node process insecure) is answered in this question
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