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What __init__ and self do on Python?
...ut that the first argument need not necessarily be called self, it just is by convention.
– Henry Gomersall
Jun 24 '12 at 19:37
14
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Why avoid increment (“++”) and decrement (“--”) operators in JavaScript?
...
My view is to always use ++ and -- by themselves on a single line, as in:
i++;
array[i] = foo;
instead of
array[++i] = foo;
Anything beyond that can be confusing to some programmers and is just not worth it in my view. For loops are an exception, as the...
How to select first parent DIV using jQuery?
...nce to use .parents('div').eq(0) -- using that purse CSS selector FOLLOWED by jQuery to filter to just the first element will give you a slight performance boost -- see the 'Additional Notes' section on the jQuery :eq doc
– Noah Whitmore
Feb 6 '14 at 7:45
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json.net has key method?
...
@WilliamT.Mallard In C# 6, you can simplify that by using the null-conditional index operator: myJObject["level1property"]?["level2property"].
– svick
Jan 4 '17 at 19:45
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Getting error: Peer authentication failed for user “postgres”, when trying to get pgsql working with
...ion methods.
Peer authentication
The peer authentication method works by obtaining the client's
operating system user name from the kernel and using it as the allowed
database user name (with optional user name mapping). This method is
only supported on local connections.
Password authe...
Could not load file or assembly 'Newtonsoft.Json' or one of its dependencies. Manifest definition do
...
To solve this, I ensured all my projects used the same version by running the following command and checking the results:
update-package Newtonsoft.Json -reinstall
And, lastly I removed the following from my web.config:
<dependentAssembly>
<assemblyIdentity name="Newto...
Filter rows which contain a certain string
...
The answer to the question was already posted by the @latemail in the comments above. You can use regular expressions for the second and subsequent arguments of filter like this:
dplyr::filter(df, !grepl("RTB",TrackingPixel))
Since you have not provided the original d...
How to pause / sleep thread or process in Android?
...if (activity != null) {
Button btn = (Button) activity.findViewById(R.id.button);
btn.setBackgroundResource(R.drawable.defaultcard);
}
}
}
private MyRunnable mRunnable = new MyRunnable(this);
public void onClick(View view) {
my_button.setBackgroundResource(R...
How do I see the last 10 commits in reverse-chronological order with SVN?
...oogling uncovered the answer. svn log lists in reverse-chronological order by default.
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How to generate a new Guid in stored procedure?
...ood)
The Cost of GUIDs as Primary Keys (Jimmy Nelson's article referenced by the two other articles)
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