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How to make PyCharm always show line numbers
I cannot seem to be able to find the setting to enable line numbers for all files, but I have to always right click and enable this on per file basis.
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How to flatten only some dimensions of a numpy array
...an take -1 as an argument, meaning "total array size divided by product of all other listed dimensions":
e.g. to flatten all but the last dimension:
>>> arr = numpy.zeros((50,100,25))
>>> new_arr = arr.reshape(-1, arr.shape[-1])
>>> new_arr.shape
# (5000, 25)
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Why is there no logical xor in JavaScript?
...r. Mainly because it's not useful. Bitwise XOR is extremely useful, but in all my years of programming I have never needed a logical XOR.
If you have two boolean variables you can mimic XOR with:
if (a != b)
With two arbitrary variables you could use ! to coerce them to boolean values and then u...
How to correctly iterate through getElementsByClassName
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for ... of allows you to iterate over NodeList now as in for (slide of slides) Distribute(slide). Browser support is patchy, but if you're transpiling then for ... of will be converted, but NodeList.forEach wouldn't.
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Reset identity seed after deleting records in SQL Server
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If the table is empty, such as if you just called TRUNCATE, then the new seed value should be the value to next use (i.e. 1 not 0). If the table is not empty it will use the new_reseed_value + 1. MSDN
– kjbartel
Jan 28 '15 at 8:04...
Utilizing multi core for tar+gzip/bzip compression/decompression
I normally compress using tar zcvf and decompress using tar zxvf (using gzip due to habit).
6 Answers
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Database design for audit logging
...a of what the old record looked like.
So for example, if you had a table called Opportunities to track sales deals, you would actually create two separate tables:
Opportunities
Opportunities_Content (or something like that)
The Opportunities table would have information you'd use to uniquely iden...
String output: format or concat in C#?
...le with an existing IL rewriter such as PostSharp.
– Allon Guralnek
Sep 29 '11 at 15:24
31
String...
Creating a JavaScript cookie on a domain and reading it across sub domains
...lhost cookies a bit differently than other cookies. Or rather, they treat all cookies in a way that makes working with localhost difficult. For instance, see stackoverflow.com/questions/1134290/…. I suggest editing your hosts file and aliasing something like myserver.local to 127.0.0.1. Then y...
REST URI convention - Singular or plural name of resource while creating it
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The premise of using /resources is that it is representing "all" resources. If you do a GET /resources, you will likely return the entire collection. By POSTing to /resources, you are adding to the collection.
However, the individual resources are available at /resource. If you do a ...