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Extracting specific columns in numpy array
This is an easy question but say I have an MxN matrix. All I want to do is extract specific columns and store them in another numpy array but I get invalid syntax errors.
Here is the code:
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MySQL Workbench: How to keep the connection alive
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There is a bug in all version of MySQL Workbench beyond 6.0.x on Mac OS : stackoverflow.com/a/37890150/1014813
– lepix
Jun 17 '16 at 20:48
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How do I catch an Ajax query post error?
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@Yuck $.post can accept an error callback using deferred objects. Take a look at my answer below for an example.
– Michael Venable
Aug 24 '12 at 21:18
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How to increment a NSNumber
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Update: FYI, I personally like BoltClock's and DarkDusts's one-line answers better. They're more concise, and don't require additional variables.
In order to increment an NSNumber, you're going to have to get its value, increment that, and sto...
Converting integer to binary in python
...ssence of pythonicity, but this is clearly much more versatile. I was initially excited to see the accepted solution with its elegant explanation, but alarmed that the object being called on to do the methods was written as a single string with all specifications built in, eliminating the involvemen...
Rails: select unique values from a column
I already have a working solution, but I would really like to know why this doesn't work:
12 Answers
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Why does ('0' ? 'a' : 'b') behave different than ('0' == true ? 'a' : 'b') [duplicate]
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Actually, your statement that '0' is evaluated as a boolean is not correct, what actually happens is that true is evaluated as a number, which then forces '0' to be evaluated as a number. This comes as a direct result of the spec...
Disable cross domain web security in Firefox
...o add-ons (some of which don't work in the latest Firefox or don't work at all) and "you just need to enable support on the server".
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How do I add a bullet symbol in TextView?
...st to clarify: use setText("\u2022 Bullet"); to add the bullet programmatically. 0x2022 = 8226
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Checking if jquery is loaded using Javascript
... the presence of jQuery. If jQuery isn't loaded then $() won't even run at all and your callback won't execute, unless you're using another library and that library happens to share the same $() syntax.
Remove your $(document).ready() (use something like window.onload instead):
window.onload = funct...