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What does the JSLint error 'body of a for in should be wrapped in an if statement' mean?
...] = "foo";
myarray.push("bar");
myarray[150] = "baz";
myarray.push("qux");
alert(myarray.length);
for(i in myarray){
if(myarray.hasOwnProperty(i)){
alert(i+" : "+myarray[i]);
}
}
Perhaps not the best usage of an array, but just an illustration that things are not always clearcut....
How do I get bash completion to work with aliases?
...
See the updated version of this script at superuser.com/a/437508/102281 (for example, I added support for COMP_LINE and COMP_POINT which are required for some git completions).
– John Mellor
Nov 4 '14 at 17:24
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How do I rename the extension for a bunch of files?
...lenames with spaces in them. You should ALWAYS do proper quotation in bash scripts. mv "$file" "$(basename "$file" .html)".txt would be much better. But still, mv "$files" "${files%.html}.txt" is much better.
– Balázs Pozsár
Aug 4 '09 at 8:39
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How do I get the value of a textbox using jQuery?
..."txtEmail" class="textbox" value="1">
$(document).ready(function(){
alert($("#txtEmail").val());
alert($(".textbox").val());//Not recommended
});
Using class name for getting any text-box control value can return other or wrong value as same class name can also be defined for any other ...
List files ONLY in the current directory
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Just use os.listdir and os.path.isfile instead of os.walk.
Example:
import os
files = [f for f in os.listdir('.') if os.path.isfile(f)]
for f in files:
# do something
But be careful while applying this to other directory, li...
How to find the array index with a value?
...ar index = functiontofindIndexByKeyValue(studentsArray, "name", "tanmay");
alert(index);
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Combining multiple git repositories
... The result is a messed up history! My solution was to paste the code in a script file a write a real <TAB> character in it. From the Terminal, a tab can be entered pressing ctrl+v and then writing a <TAB>. I haven't tried Craig's solution
– Gil Vegliach
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Check whether a string matches a regex in JS
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You can use match() as well:
if (str.match(/^([a-z0-9]{5,})$/)) {
alert("match!");
}
But test() seems to be faster as you can read here.
Important difference between match() and test():
match() works only with strings, but test() works also with integers.
12345.match(/^([a-z0-9]{5,})$/...
JavaScript string newline character?
Is \n the universal newline character sequence in Javascript for all platforms? If not, how do I determine the character for the current environment?
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Adding code to a javascript function programmatically
...s call it.
So if this is the original...
someFunction = function() {
alert("done");
}
You'd do this...
someFunction = (function() {
var cached_function = someFunction;
return function() {
// your code
var result = cached_function.apply(this, arguments); // use .app...