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What is the best way to implement nested dictionaries?
...ber in data.items():
vividict[state][county][occupation] = number
And now:
>>> import pprint
>>> pprint.pprint(vividict, width=40)
{'new jersey': {'mercer county': {'plumbers': 3,
'programmers': 81},
'middlesex county': {'progr...
JavaScript closures vs. anonymous functions
...ree variable.
That free variable is called an upvalue of the closure F.
Now let's use this to figure out who uses closures and who doesn't (for the sake of explanation I have named the functions):
Case 1: Your Friend's Program
for (var i = 0; i < 10; i++) {
(function f() {
var i2...
how to make twitter bootstrap submenu to open on the left side?
...on and my answer are from august 2012. Meanwhile, Bootstrap is changed, so now you have .pull-left class. Back then, my answer was correct. Now you don't have to manually set css, you have that .pull-left class.
– Miljan Puzović
Mar 2 '14 at 19:58
...
How to profile methods in Scala?
...noTime()
println("Elapsed time: " + (t1 - t0) + "ns")
result
}
// Now wrap your method calls, for example change this...
val result = 1 to 1000 sum
// ... into this
val result = time { 1 to 1000 sum }
share
...
How do shift operators work in Java? [duplicate]
...00000000000
System.out.println(Integer.toBinaryString(2 << 33));
Now, int is of 4 bytes,hence 32 bits. So when you do shift by 33, it's equivalent to shift by 1. Hence : 100
share
|
improv...
How to find event listeners on a DOM node when debugging or from the JavaScript code?
...erts "function() { alert('clicked!') }"
})
1.7+ (very nice)
Made using knowledge from this comment.
events = $._data(this, 'events');
for (type in events) {
events[type].forEach(function (event) {
console.log(event['handler']);
});
}
When clicking the resulting output in the consol...
How do I disable orientation change on Android?
...in 2009 when I first answered the question and it really isn't a good idea now. See this answer by hackbod for reasons:
Avoid reloading activity with asynctask on orientation change in android
Add android:configChanges="keyboardHidden|orientation" to your AndroidManifest.xml. This tells the syste...
How to check command line parameter in “.bat” file?
...n do an if/else switch on -b: if "%~1"=="-b" (goto specific) else goto unknown
Surrounding the parameters with quotes makes checking for things like blank/empty/missing parameters easier. "~" ensures double quotes are stripped if they were on the command line argument.
...
How to set breakpoints in inline Javascript in Google Chrome?
...
The tab is called Sources instead of Scripts now.
– CoderDennis
Aug 30 '12 at 21:57
1
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How to use java.String.format in Scala?
...ethod of a string. But if I place %1, %2, etc. in the string, java.util.UnknownFormatConversionException is thrown pointing to a confusing Java source code piece:
...