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Is there any good dynamic SQL builder library in Java? [closed]
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@EpicPandaForce I agree for very simple cases but the concatenation is much complicated when you need to concat that string based on very complicated conditions where there is a different set of this conditions. The correctly concatenated string then (like all the adds, joins, h...
What is a segmentation fault?
...hen you try to write to a portion of memory that was marked as read-only:
char *str = "Foo"; // Compiler marks the constant string as read-only
*str = 'b'; // Which means this is illegal and results in a segfault
Dangling pointer points to a thing that does not exist any more, like here:
char *p...
Passing an array by reference
...an be passed by reference OR by degrading to a pointer. For example, using char arr[1]; foo(char arr[])., arr degrades to a pointer; while using char arr[1]; foo(char (&arr)[1]), arr is passed as a reference. It's notable that the former form is often regarded as ill-formed since the dimension...
Haml: Control whitespace around text
...e's the solution I'm settling on:
Helper
def one_line(&block)
haml_concat capture_haml(&block).gsub("\n", '').gsub('\\n', "\n")
end
View
I will first
- one_line do
= link_to 'link somewhere', 'http://example.com'
- if @condition
, then render this half of the sentence
\\n
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How do I POST urlencoded form data with $http without jQuery?
... Object.keys(obj).reduce(function(p, c) { return p.concat([encodeURIComponent(c) + "=" + encodeURIComponent(obj[c])]); }, []).join('&');
– test30
Sep 14 '16 at 22:09
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Search for one value in any column of any table inside a database
...s there a way to search for one value (in my case it is a UID of the type char(64) ) inside any column of any table inside one MS SQL Server database?
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How to read a file without newlines?
...works if the file ends with a newline, otherwise the last line will lose a character.
This assumption is true in most cases (especially for files created by text editors, which often do add an ending newline anyway).
If you want to avoid this you can add a newline at the end of file:
with open(th...
Forward an invocation of a variadic function in C
...t. See http://c-faq.com/varargs/handoff.html.
Example:
void myfun(const char *fmt, va_list argp) {
vfprintf(stderr, fmt, argp);
}
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What's the @ in front of a string in C#?
...omplicated. For example, to write the following code in VB you need to use concatenation (or any of the other ways to construct a string)
string x = "Foo\nbar";
In VB this would be written as follows:
Dim x = "Foo" & Environment.NewLine & "bar"
(& is the VB string concatenation ope...
How to remove spaces from a string using JavaScript?
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split(' ') and join won't remove \n , \t white space chars, another workaround is a.split('').map(c =>c.trim()).join('')
– rab
Apr 18 '19 at 10:40
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