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How to convert DOS/Windows newline (CRLF) to Unix newline (LF) in a Bash script?
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Unix to dos:
vim file.txt -c "set ff=dos" -c ":wq"
"set ff=unix/dos" means change fileformat (ff) of the file to Unix/DOS end of line format
":wq" means write file to disk and quit the editor (allowing to use the command in a loop)
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How do I sort a list by different parameters at different timed
...but the switch statements really need a more object oriented approach. Consider:
enum PersonComparator implements Comparator<Person> {
ID_SORT {
public int compare(Person o1, Person o2) {
return Integer.valueOf(o1.getId()).compareTo(o2.getId());
}},
NAME_SO...
Bootstrap 3: Keep selected tab on page refresh
...In my app, I use ":" as hash value separator.
<ul class="nav nav-tabs" id="myTab">
<li class="active"><a href="#home">Home</a></li>
<li><a href="#profile">Profile</a></li>
<li><a href="#messages">Messages</a></li>
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Passing parameters in rails redirect_to
How do we pass parameters in redirect_to in rails?
I know we can pass id using this:
9 Answers
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How to get a one-dimensional scalar array as a doctrine dql query result?
I want to get an array of values from the id column of the Auction table.
If this was a raw SQL I would write:
5 Answers
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Why is there a difference in checking null against a value in VB.NET and C#?
...as explained here.
The C# team made different assumptions about what NULL means, resulting in the behaviour difference you show. Eric Lippert wrote a blog about the meaning of NULL in C#. Per Eric Lippert: "I also wrote about the semantics of nulls in VB / VBScript and JScript here and here".
In ...
Should C# methods that *can* be static be static? [closed]
...or no longer has any real relationship with the larger type.
That doesn't mean I wouldn't make it static at all, though. Ask yourself this: could the new method logically belong elsewhere? If you can answer "yes" to that, you probably do want to make it static (and move it as well). Even if that...
Add single element to array in numpy
... k in range(int(10e4)):
b = np.append(b, k)
1.2 s ± 16.1 ms per loop (mean ± std. dev. of 7 runs, 1 loop each)
Using python list converting to array afterward:
d = [0]
for k in range(int(10e4)):
d.append(k)
f = np.array(d)
13.5 ms ± 277 µs per loop (mean ± std. dev. of 7 runs, 100 lo...
How to replace all dots in a string using JavaScript
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You need to escape the . because it has the meaning of "an arbitrary character" in a regular expression.
mystring = mystring.replace(/\./g,' ')
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jQuery to retrieve and set selected option value of html select element
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The way you have it is correct at the moment. Either the id of the select is not what you say or you have some issues in the dom.
Check the Id of the element and also check your markup validates at here at W3c.
Without a valid dom jQuery cannot work correctly with the selectors...