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Want to exclude file from “git diff”
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Omg, drivers and awk to exclude a lousy file ? Since git 1.9 something you can:
git diff -- . ':(exclude)db/irrelevant.php' ':(exclude)db/irrelevant2.php'
Ah, elegance! See the quoted answer and for details this answer by @torek
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What is the correct SQL type to store a .Net Timespan with values > 24:00:00?
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I'd store it in the database as a BIGINT and I'd store the number of ticks (eg. TimeSpan.Ticks property).
That way, if I wanted to get a TimeSpan object when I retrieve it, I could just do TimeSpan.FromTicks(value) which would be easy.
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Handling exceptions from Java ExecutorService tasks
...Java's ThreadPoolExecutor class to run a large number of heavy weight tasks with a fixed number of threads. Each of the tasks has many places during which it may fail due to exceptions.
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Testing Abstract Classes
... that you expect to extend in your application layer. And if you want to make sure that library code is tested, you need means to UT the concrete methods of abstract classes.
Personally, I use PHPUnit, and it has so called stubs and mock objects to help you testing this kind of things.
Straight fr...
What is an idempotent operation?
...t.discard(x)
Idempotent operations are often used in the design of network protocols, where a request to perform an operation is guaranteed to happen at least once, but might also happen more than once. If the operation is idempotent, then there is no harm in performing the operation two or more t...
Difference between pre-increment and post-increment in a loop?
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a++ is known as postfix.
add 1 to a, returns the old value.
++a is known as prefix.
add 1 to a, returns the new value.
C#:
string[] items = {"a","b","c","d"};
int i = 0;
foreach (string item in items)
{
Console.WriteLine(+...
How Big can a Python List Get?
... answered May 12 '09 at 23:48
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How to replace NaN values by Zeroes in a column of a Pandas Dataframe?
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I believe DataFrame.fillna() will do this for you.
Link to Docs for a dataframe and for a Series.
Example:
In [7]: df
Out[7]:
0 1
0 NaN NaN
1 -0.494375 0.570994
2 NaN NaN
3 1.876360 -0.229738
4 NaN NaN
In [8]: df.fill...
How to generate unique ID with node.js
How to set a variable value with database query callback? How I can do it?
13 Answers
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What is the size limit of a post request?
Sorry if this is duplicate,I would think it would be but couldn't find anything.
9 Answers
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