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How to append output to the end of a text file
... the contents of the file. To ensure that doesn't ever happen, you can add set -o noclobber to your .bashrc.
This ensures that if you accidentally type command > file_to_append_to to an existing file, it will alert you that the file exists already. Sample error message: file exists: testFile.tx...
How to select last two characters of a string
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You can pass a negative index to .slice(). That will indicate an offset from the end of the set.
var member = "my name is Mate";
var last2 = member.slice(-2);
alert(last2); // "te"
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How can I write a regex which matches non greedy? [duplicate]
... match the whole tag. Or <img[^>]*>.
But remember that the whole set of HTML can't be actually parsed with regular expressions.
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window.location.href and window.open () methods in JavaScript
...bjective use:
1. To redirect the page to another
Use window.location.href. Set href property to the href of another page.
2. Open link in the new or specific window.
Use window.open(). Pass parameters as per your goal.
3. Know current address of the page
Use window.location.href. Get value of window...
How to mark a class as Deprecated? [duplicate]
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As per Doak's answer, but the attribute's second parameter should be set to false if you want the code to compile:
[Obsolete("Not used any more", false)]
public class MyDeprecatedClass
{
//...
}
This will just throw warnings.
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How do I use brew installed Python as the default Python?
...or brew in High Sierra only python2 is in /usr/local/bin, for just python; set export PATH="/usr/local/opt/python/libexec/bin:$PATH" in ~/.bash_profile
– tormodatt
Jan 31 '18 at 13:45
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NoSQL Use Case Scenarios or WHEN to use NoSQL [closed]
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Easy to scale horizontally by just adding more nodes.
Query on large data set
Imagine tons of tweets posted on twitter every day. In RDMS, there could be tables with millions (or billions?) of rows, and you don't want to do query on those tables directly, not even mentioning, most of time, table j...
Python data structure sort list alphabetically
...dict ({1:2,3:4}, although it will just return a sorted list of the keys; a set ({1,2,3,4); or a tuple ((1,2,3,4))).
>>> x = [3,2,1]
>>> sorted(x)
[1, 2, 3]
>>> x
[3, 2, 1]
Lists also have a sort method that will perform the sort in-place (x.sort() returns None but chang...
$.getJSON returning cached data in IE8
...Add a random parameter to the request (ugly, but works :))
On server side, set cachability (for example using an attribute, see below)
Code:
public class NoCacheAttribute : ActionFilterAttribute
{
public override void OnActionExecuted(ActionExecutedContext context)
{
context.HttpC...
Remove characters after specific character in string, then remove substring?
...remove the items after a character, just change the +1 to a -1 and you are set!
But for a URL, I would use the built in .NET class to take of that.
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