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Spring Data: “delete by” is supported?
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Typically, in an application, you will have @ Service classes/methods and those will be calling the Repositories. And @ Service public methods should be the methods that are marked @ Transactional because transactions are Use Case...
Creating an empty bitmap and drawing though canvas in Android
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This is probably simpler than you're thinking:
int w = WIDTH_PX, h = HEIGHT_PX;
Bitmap.Config conf = Bitmap.Config.ARGB_8888; // see other conf types
Bitmap bmp = Bitmap.createBitmap(w, h, conf); // this creates a MUTABLE bitmap
Canvas canvas = new Canvas(bmp);
// ready to draw on t...
What is Pseudo TTY-Allocation? (SSH and Github)
I was trying to setup an SSH connection with Github following this tutorial: https://help.github.com/articles/testing-your-ssh-connection/
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Count number of matches of a regex in Javascript
... mentioned in my earlier answer, you can use RegExp.exec() to iterate over all matches and count each occurrence; the advantage is limited to memory only, because on the whole it's about 20% slower than using String.match().
var re = /\s/g,
count = 0;
while (re.exec(text) !== null) {
++count;
...
Duplicate log output when using Python logging module
...already a singleton. (Documentation)
The problem is that every time you call myLogger(), it's adding another handler to the instance, which causes the duplicate logs.
Perhaps something like this?
import os
import time
import datetime
import logging
loggers = {}
def myLogger(name):
global l...
Fastest way to convert string to integer in PHP
... 0.42208
intval("hello"): 0.93678 (222%)
On average, calling intval() is two and a half times slower, and the difference is the greatest if your input already is an integer.
I'd be interested to know why though.
Update: I've run the tests again, this time with coercion (0 + ...
Difference between case object and object
...of serialization
a prettier default implementation of toString, and
the small amount of functionality that they get from automatically inheriting from scala.Product.
Pattern matching, equals and hashCode don't matter much for singletons (unless you do something really degenerate), so you're pre...
Why does sed not replace all occurrences?
...ontent-policy\"\u003e(content policy)\u003c/a\u003e",
allowUrls: true
},
onDemand: true,
discardSelector: ".discard-answer"
,immediatelyShowMarkdownHelp:true,enableSnippets:true
});
...
Why doesn't the height of a container element increase if it contains floated elements?
...ou don't clear them, container height won't increase...
I'll show you visually:
More Explanation:
<div>
<div style="float: left;"></div>
<div style="width: 15px;"></div> <!-- This will shift
besides the top div. W...
When is a Java method name too long? [closed]
In the last weeks I've seen some guys using really long names for a Method or Class (50 characters), this is usually under the premise that it improves readability, my opinion is that a long name like this is an indicator that we are trying to do a lot or too much in a method class if we need such a...