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How can I count the occurrences of a list item?
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Use Counter if you are using Python 2.7 or 3.x and you want the number of occurrences for each element:
>>> from collections import Counter
>>> z = ['blue', 'red', 'blue', 'yellow', 'blue', 'red']
>>> Counter(z)
Counter({'blue': 3, 'red': 2, 'ye...
How to create own dynamic type or dynamic object in C#?
There, is for example, ViewBag property of ControllerBase class and we can dynamically get/set values and add any number of additional fields or properties to this object, which is cool .I want to use something like that, beyond MVC application and Controller class in other types of applicatio...
printf() formatting for hex
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The # part gives you a 0x in the output string. The 0 and the x count against your "8" characters listed in the 08 part. You need to ask for 10 characters if you want it to be the same.
int i = 7;
printf("%#010x\n", i); // gives 0x00000007
printf("0x%08x\n", i); // gives 0x0...
Why is document.write considered a “bad practice”?
I know document.write is considered bad practice; and I'm hoping to compile a list of reasons to submit to a 3rd party vendor as to why they shouldn't use document.write in implementations of their analytics code.
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unix domain socket VS named pipes?
After looking at a unix named socket and i thought they were named pipes. I looked at name pipes and didnt see much of a difference. I saw they were initialized differently but thats the only thing i notice. Both use the C write/read function and work alike AFAIK.
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Performance of Arrays vs. Lists
...u need to have a list/array of integers which you need iterate frequently, and I mean extremely often. The reasons may vary, but say it's in the heart of the inner most loop of a high volume processing.
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Sprintf equivalent in Java
...lt'
String result = String.format("%4d", i * j);
// Write the result to standard output
System.out.println( result );
See format and its syntax
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Gradle, Android and the ANDROID_HOME SDK location
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In
/my_current_project/
I've created a file called local.properties and put inside
sdk.dir=/my_current_path_to/sdk
In the console I need to do
set ANDROID_HOME=/my_current_path_to/sdk
Hope this helps.
shar...
How to set DOM element as the first child?
I have element E and I'm appending some elements to it. All of a sudden, I find out that the next element should be the first child of E. What's the trick, how to do it? Method unshift doesn't work because E is an object, not array.
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How to remove leading and trailing zeros in a string? Python
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What about a basic
your_string.strip("0")
to remove both trailing and leading zeros ? If you're only interested in removing trailing zeros, use .rstrip instead (and .lstrip for only the leading ones).
[More info in the doc.]
You could use some list comprehension to get the sequences you w...