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Is !important bad for performance?
...to check the exact source and share this high level of knowledge is simply extraordinary and amazing. People like you are the ones who makes StackOverflow so popular and trustful. Thanks so much for answering and sharing this.
– Anmol Saraf
Dec 12 '12 at 8:04
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How to programmatically determine the current checked out Git branch [duplicate]
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A challenge for all bash string artists out there: surely there must be a nice way of doing this in less than three variable assignments? :-D
– conny
Jun 23 '10 at 16:32
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TextView Marquee not working [duplicate]
... android:id="@+id/textView_News_HeadLine"
style="@style/black_extra_large_heading_text"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_alignParentLeft="true"
android:layout_marginLeft="8dp"
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How to create dictionary and add key–value pairs dynamically?
..." + lastName] = "some value";
Note that keys (property names) are always strings, and non-string values will be coerced to a string when used as a key. E.g. a Date object gets converted to its string representation:
dict[new Date] = "today's value";
console.log(dict);
// => {
// "Sat Nov...
Open Redis port for remote connections
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in config file I added string bind 0.0.0.0 after string bind 127.0.0.1. Restarted redis. And now can connect remotly.
– Maxim Yefremov
Sep 30 '13 at 10:08
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What does the question mark in Java generics' type parameter mean?
...tract subclasses, but also sub-interfaces: List<? extends Collection<String>> list = new ArrayList<List<String>>();.
– Mark Peters
Jun 10 '10 at 15:08
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How to use Jackson to deserialise an array of objects
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In response to my own comment above, first parse the json string to a jsonNode and then access the property of the array like this: JsonNode jsonNode = MAPPER.readTree(json); String arrayString = jsonNode.get("data").toString(); Then follow @Programmer Bruce's instructions above. Li...
Getting a slice of keys from a map
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For example,
package main
func main() {
mymap := make(map[int]string)
keys := make([]int, 0, len(mymap))
for k := range mymap {
keys = append(keys, k)
}
}
To be efficient in Go, it's important to minimize memory allocations.
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Why use sprintf function in PHP?
...tf which means you can do much more than just inserting variable values in strings.
For instance, specify number format (hex, decimal, octal), number of decimals, padding and more. Google for printf and you'll find plenty of examples. The wikipedia article on printf should get you started.
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Why does changing 0.1f to 0 slow down performance by 10x?
...ormance!!!
Denormal (or subnormal) numbers are kind of a hack to get some extra values very close to zero out of the floating point representation. Operations on denormalized floating-point can be tens to hundreds of times slower than on normalized floating-point. This is because many processors ca...