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How to set breakpoints in inline Javascript in Google Chrome?
When I open Developer Tools in Google Chrome, I see all kinds of features like Profiles, Timelines, and Audits, but basic functionality like being able to set breakpoints both in js files and within html and javascript code is missing! I tried to use the javascript console, which itself is buggy - f...
What is the best algorithm for overriding GetHashCode?
...hroughout the .NET base class libraries. Implementing it properly is especially important to find items quickly in a collection or when determining equality.
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Writing string to a file on a new line every time
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You can use:
file.write(your_string + '\n')
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What is “X-Content-Type-Options=nosniff”?
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@machineaddict, Wrong. Sniffing will happen regardless of whether the content is trusted or untrusted. See security.stackexchange.com/a/11761/2379 . It will break your site in subtle ways. Always disable sniffing if you do not like surprises.
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ReactJS - Does render get called any time “setState” is called?
Does React re-render all components and sub components every time setState() is called?
7 Answers
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Some built-in to pad a list in python
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a += [''] * (N - len(a))
or if you don't want to change a in place
new_a = a + [''] * (N - len(a))
you can always create a subclass of list and call the method whatever you please
class MyList(list):
def ljust(self, n, fillvalue=''):
return self + [fillvalue] * (n - len(self))
a...
Null or default comparison of generic argument in C#
...IEquatable<T> (without boxing) as well as object.Equals, and handles all the Nullable<T> "lifted" nuances. Hence:
if(EqualityComparer<T>.Default.Equals(obj, default(T))) {
return obj;
}
This will match:
null for classes
null (empty) for Nullable<T>
zero/false/etc for...
Best XML Parser for PHP [duplicate]
...saves on memory. You pay for that with not being able to use XPath.
Personally, I find SimpleXml quite limiting (hence simple) in what it offers over DOM. You can switch between DOM and SimpleXml easily though, but I usually dont bother and go the DOM route directly. DOM is an implementation of the...
How can I use if/else in a dictionary comprehension?
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@Marcin's answer covers it all, but just in case someone wants to see an actual example, I add two below:
Let's say you have the following dictionary of sets
d = {'key1': {'a', 'b', 'c'}, 'key2': {'foo', 'bar'}, 'key3': {'so', 'sad'}}
and you want ...
Best way to work with dates in Android SQLite [closed]
...at, the default if you use datetime('now') (yyyy-MM-dd HH:mm:ss) will then allow sorting by the date column.
Retrieving dates as strings from SQLite you can then format/convert them as required into local regionalised formats using the Calendar or the android.text.format.DateUtils.formatDateTime me...