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Python circular importing?
...ule b so you can break the cycle. It's also worth noting that even if only one direction of the circle has top-level code involved (e.g. if class C didn't exist), you might get an error, depending on which module got imported first by other code.
– Blckknght
Ju...
GIT clone repo across local file system in windows
...C path to the file protocol. This requires you to use four slashes:
git clone file:////<host>/<share>/<path>
For example, if your main machine has the IP 192.168.10.51 and the computer name main, and it has a share named code which itself is a git repository, then both of the fo...
Scroll to a div using jquery
...de. I'd like to scroll to the different divs. Basically the page is just one long website, where I'd like to scroll to different divs using the menu box to the side.
...
Getting started with Haskell
... wrap my head around the functional programming paradigm in Haskell. I've done this by reading tutorials and watching screencasts, but nothing really seems to stick.
Now, in learning various imperative/OO languages (like C, Java, PHP), exercises have been a good way for me to go. But since I don't r...
Difference between DTO, VO, POJO, JavaBeans?
...ood summary of what JavaBeans are:
JavaBeans are reusable software components for Java that can be manipulated visually in a builder tool. Practically, they are classes written in the Java programming language conforming to a particular convention. They are used to encapsulate many objects into ...
Height of status bar in Android [duplicate]
...l the code samples I've used to get the height of the status bar, the only one that actually appears to work in the onCreate method of an Activity is this:
public int getStatusBarHeight() {
int result = 0;
int resourceId = getResources().getIdentifier("status_bar_height", "dimen", "android"...
When should I create a destructor?
... When should I manually create a destructor?
Almost never.
Typically one only creates a destructor when your class is holding on to some expensive unmanaged resource that must be cleaned up when the object goes away. It is better to use the disposable pattern to ensure that the resource is cle...
What is VanillaJS?
I have one simple question, that got stuck in my mind for a few days: What is VanillaJS? Some people refer to it as a framework, you can download a library from the official pages.
...
What is the preferred Bash shebang?
... adding - to the end of $!/usr/bin/env bash - won't do anything since only one argument is allowed by *nix in the shebang, and that is used by 'bash'. That's apparently only useful for preventing malicious arguments being passed to the script on the commandline if the script's shebang is one of the...
PostgreSQL LIKE query performance variations
...ram indexes to support all LIKE and ILIKE patterns, not just left-anchored ones:
Example index:
CREATE INDEX tbl_col_gin_trgm_idx ON tbl USING gin (col gin_trgm_ops);
Or:
CREATE INDEX tbl_col_gist_trgm_idx ON tbl USING gist (col gist_trgm_ops);
Difference between GiST and GIN index
Example...