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Create list of single item repeated N times
...'string'] * len(columns)
Mutable items
I've used Python for a long time now, and I have never seen a use-case where I would do the above with a mutable instance. Instead, to get, say, a mutable empty list, set, or dict, you should do something like this:
list_of_lists = [[] for _ in columns]
T...
How to turn a String into a JavaScript function call? [duplicate]
...ndow.settings.functionName does. window[window.settings.functionName] does now. In javascript, object members can be access with a string the same way you do with an array. Assuming your function is declared in the global scope, it become a function in the window object. You can call it using a stri...
How bad is shadowing names defined in outer scopes?
...t as yadda but miss one of the places it is used in the function's body... Now data refers to the global, and you start having weird behaviour - where you would have a much more obvious NameError if you didn't have a global name data.
Also remember that in Python everything is an object (including...
How to create a release signed apk file using Gradle?
... for two passwords and a bunch of info. (Same stuff as in Android Studio.) Now copy/paste your previously chosen passwords.
(3) Edit your module gradle.build file to use the above
The following parts need to be present in your app/module's Gradle build file. First, add the following lines outside ...
Node.js check if path is file or directory
...re can we look to see? -- Oops I see when I click the link above that it's now stable (which implies no longer experimental).
– alfreema
Mar 9 at 18:54
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When NOT to use Cassandra?
...gory (Including Cassandra) which are fit for different problem statements. Now lets move to the original questions, and answer them one by one.
When to use Cassandra
Being a part of the NoSQL family, Cassandra offers a solution for problems where one of your requirements is to have a very heavy wr...
How to establish a connection pool in JDBC?
...etAcquireIncrement(5);
cpds.setMaxPoolSize(20);
// The DataSource cpds is now a fully configured and usable pooled DataSource
But if you are running inside an application server, I would recommend to use the built-in connection pool it provides. In that case, you'll need to configure it (refer t...
Is git not case sensitive?
... poster trying to perform a case-changing rename of a folder, not a file. Now that I re-read this, it is unclear. Indeed, mv -f will work for a file.
– Edward Thomson
Feb 12 '14 at 20:28
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dyld: Library not loaded: /usr/local/lib/libpng16.16.dylib with anything php related
... This worked for me as well. Issue I had is that libpng15 is now an old version so an update would not fix.
– bigtunacan
Jun 24 '14 at 2:28
1
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Are “while(true)” loops so bad? [closed]
I've been programming in Java for several years now, but I just recently returned to school to get a formal degree. I was quite surprised to learn that, on my last assignment, I lost points for using a loop like the one below.
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