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GridView VS GridLayout in Android Apps
I have to use a Grid to implement Photo Browser in Android.
So, I would like to know the difference between GridView and GridLayout .
...
Python string class like StringBuilder in C#?
...e-tran are not to be trusted. Andrew Hare makes the mistake of including a call to repr in his methods. That slows all the methods equally but obscures the real penalty in constructing the string.
Use join. It's very fast and more robust.
$ ipython3
Python 3.5.1 (default, Mar 2 2016, 03:38:02)
I...
SLF4J: Failed to load class “org.slf4j.impl.StaticLoggerBinder”. error
...
I can also confirm this error.
Workaround: is to use external maven inside m2eclipse, instead of it's embedded maven.
That is done in three steps:
1 Install maven on local machine (the test-machine was Ubuntu 10.10)
mvn --version
Apache Maven 2.2.1 (rdebian-4) Java version: 1.6.0_20 Java home:...
How do I put a bunch of uncommitted changes aside while working on something else
If I have a bunch of uncommitted changes and want to set it aside while working on something else instead, and then later (f.i. after several days) come back to it and proceed working. What would be the easiest workflow to accomplish this? (So far I have only experience with Mercurial's basic functi...
Auto start node.js server on boot
...s super easy module that installs a node script as a windows service, it's called node-windows (npm, github, documentation). I've used before and worked like a charm.
var Service = require('node-windows').Service;
// Create a new service object
var svc = new Service({
name:'Hello World',
descr...
Why use #ifndef CLASS_H and #define CLASS_H in .h file but not in .cpp?
...te development into two file types. One is with an extension of .h and we call this a "header file." They usually provide a declaration of functions, classes, structs, global variables, typedefs, preprocessing macros and definitions, etc. Basically, they just provide you with information about yo...
Difference between style = “position:absolute” and style = “position:relative”
...the browser viewport, and 20px from the left edge of same.
However, if I did something like this:
<div id="outer" style="position:relative">
<div id="inner" style="position:absolute; left: 20px; top: 20px;"></div>
</div>
...then the inner div would be positioned 20px...
How do I count a JavaScript object's attributes? [duplicate]
...ery object in JavaScript derives from — includes many attributes automatically, and the exact set of attributes you get depends on the particular interpreter and what code has executed before yours. So, you somehow have to separate the ones you defined from those you got "for free."
Here's one wa...
How do I declare and assign a variable on a single line in SQL
... You can also initialize from a select statement, eg: declare @eid uniqueidentifier = (select top 1 id from t_Event)
– Damien Sawyer
Sep 8 '16 at 20:32
add a commen...
defaultdict of defaultdict?
...gument of a defaultdict (in this case is lambda: defaultdict(int)) will be called when you try to access a key that doesn't exist. The return value of it will be set as the new value of this key, which means in our case the value of d[Key_doesnt_exist] will be defaultdict(int).
If you try to access...