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Proper usage of Optional.ifPresent()
...ingWithUser);
Method ifPresent() get Consumer object as a paremeter and (from JavaDoc): "If a value is present, invoke the specified consumer with the value." Value it is your variable user.
Or if this method doSomethingWithUser is in the User class and it is not static, you can use method refere...
Replace transparency in PNG images with white background
... do this in Gimp or Photoshop or whatever, but I'd really rather script it from the command line because there are many of these things.
...
iOS Detect 3G or WiFi
...eachability with blocks for everyday use at eppz!blog, or grab it directly from eppz!reachability at GitHub.
It also works with IP addresses, which turned out to be a pretty rare Reachability wrapper feature.
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What is the correct syntax for 'else if'?
I'm a new Python programmer who is making the leap from 2.6.4 to 3.1.1. Everything has gone fine until I tried to use the 'else if' statement. The interpreter gives me a syntax error after the 'if' in 'else if' for a reason I can't seem to figure out.
...
Structs in Javascript
...tween object literals and constructed objects are the properties inherited from the prototype.
var o = {
'a': 3, 'b': 4,
'doStuff': function() {
alert(this.a + this.b);
}
};
o.doStuff(); // displays: 7
You could make a struct factory.
function makeStruct(names) {
var names = names....
How to structure a express.js application?
...use the schema, then PhoneNumber.schema
(which assumes that we are working from the routes folder and need to go 1 level up and then down to models)
EDIT 4
The express wiki has a list of frameworks built on top of it.
Of those, I think Twitter's matador is structured pretty well. We actually used a...
Hosting Git Repository in Windows
...erbose --enable=receive-pack
Step 3: Run the following cygrunsrv command from an elevated prompt (i.e. as admin) to install the script as a service (Note: assumes Cygwin is installed at C:\cygwin64):
cygrunsrv --install gitd \
--path c:/cygwin64/bin/bash.exe...
How to tell git to ignore individual lines, i.e. gitignore for specific lines of code [duplicate]
...ig --global filter.gitignore.smudge cat, i.e. do nothing when pulling file from repo
Notes:
Of course, this is for ruby files, applied when a line ends with #gitignore, applied globally in ~/.gitconfig. Modify this however you need for your purposes.
Warning!!
This leaves your working file diffe...
How do I get an element to scroll into view, using jQuery?
...):
var offset = $(this).offset(); // Contains .top and .left
Subtract 20 from top and left:
offset.left -= 20;
offset.top -= 20;
Now animate the scroll-top and scroll-left CSS properties of <body> and <html>:
$('html, body').animate({
scrollTop: offset.top,
scrollLeft: offse...
Test for multiple cases in a switch, like an OR (||)
...
You need to make two case labels.
Control will fall through from the first label to the second, so they'll both execute the same code.
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