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What is a “surrogate pair” in Java?
... true for the Plane 0, also known as BPM or Basic Multilingual Plane, that includes 55,445 of 65536 code points today. BPM covers almost every human language in the world, including Chinese-Japanese-Korean symbols (CJK).
The time passed and new Asian character sets were added, Chinese symbols to...
Escape a string for a sed replace pattern
...e clause), \ (to escape characters, backreference, &c.), and & (to include the match in the replacement). Therefore, all you need to do is escape those three characters:
sed "s/KEYWORD/$(echo $REPLACE | sed -e 's/\\/\\\\/g; s/\//\\\//g; s/&/\\\&/g')/g"
Example:
$ export REPLACE=...
What is the difference between an expression and a statement in Python?
...ressions only contain identifiers, literals and operators, where operators include arithmetic and boolean operators, the function call operator () the subscription operator [] and similar, and can be reduced to some kind of "value", which can be any Python object. Examples:
3 + 5
map(lambda x: x*x...
How can I change an element's text without changing its child elements?
...ript, the childNodes property gives you all the child nodes of an element, including text nodes.
So, if you knew the text you wanted to change was always going to be the first thing in the element, then given e.g. this HTML:
<div id="your_div">
**text to change**
<p>
text ...
How to do a SOAP Web Service call from Java class?
...Or just use Apache CXF's wsdl2java to generate objects you can use.
It is included in the binary package you can download from their website. You can simply run a command like this:
$ ./wsdl2java -p com.mynamespace.for.the.api.objects -autoNameResolution http://www.someurl.com/DefaultWebService?ws...
What's the fastest way to convert String to Number in JavaScript?
...x 30.0 with implicit being the slowest for both. Also, you might consider including string literal floats in the test for general comparison. My guess is that it may change the order in some cases because string to float conversion is generally slower than string to int conversion. The way the te...
Why is it necessary to set the prototype constructor?
... funky things to make sure that the prototypal delegation works correctly, including overwriting a prototype object. Overwriting a prototype object includes the constructor, so we then need to fix the reference.
Let's quickly go through how 'classes' in ES5 work.
Let's say you have a constructor f...
Automatically update version number
...l change:
Using MSBuild to generate assembly version info at build time (including SubVersion fix)
Retrieving the Version number is then quite easy:
Version v = Assembly.GetExecutingAssembly().GetName().Version;
string About = string.Format(CultureInfo.InvariantCulture, @"YourApp Version {0}.{...
How to flip UIImage horizontally?
...
Works great! iOS 9+ now also includes flipsForRightToLeftLayoutDirection, but it won't work for iOS 8+ apps yet.
– user246672
Jun 27 '16 at 23:40
...
How can I selectively merge or pick changes from another branch in Git?
...AUTION. This merge works in one direction, but the files that you did not include in the merge are seen as DELETED if you decide to merge your upstream master back into the source branch. I use a git-flow like process using a master branch (production main-line), a staging branch (staging server m...