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Is Redis just a cache?
...sh, Lists and Sorted Sets. Each data type exposes various operations.
The best way to understand Redis is to model an application without thinking about how you are going to store it in a database.
Lets say we want to build StackOverflow.com. To keep it simple, we need Questions, Answers, Tags an...
Is it possible to rotate a drawable in the xml description?
...
Thanks that's perfect! i combined that with the item and its exactly what i need, i want to post the code, i don't know if its better to edit your answer or my question... And for mirroring the image do i have to play with pivot x & y?
– Goofyahea...
Easy way to turn JavaScript array into comma-separated list?
...:
var arr = ['contains,comma', 3.14, 'contains"quote', "more'quotes"]
var item, i;
var line = [];
for (i = 0; i < arr.length; ++i) {
item = arr[i];
if (item.indexOf && (item.indexOf(',') !== -1 || item.indexOf('"') !== -1)) {
item = '"' + item.replace(/"/g, '""') + '"';
...
How do I get the row count of a pandas DataFrame?
...t if you just need to know whether the dataframe is empty, df.empty is the best option.
– jtschoonhoven
Mar 16 '16 at 21:26
19
...
How to change a TextView's style at runtime
...f-8"?>
<resources>
<style name="boldText">
<item name="android:textStyle">bold|italic</item>
<item name="android:textColor">#FFFFFF</item>
</style>
<style name="normalText">
<item name="android:textStyle">...
How can I post an array of string to ASP.NET MVC Controller without a form?
... to teach myself ASP.NET MVC and JQuery, and one of the pages is a list of items in which some can be selected. Then I would like to press a button and send a List (or something equivalent) to my controller containing the ids of the items that were selected, using JQuery's Post function.
...
How do I remove repeated elements from ArrayList?
...indDuplicates(List<Object> list) { Set<Object> items = new HashSet<Object>(); Set<Object> duplicates = new HashSet<Object>(); for (Object item : list) { if (items.contains(item)) { duplicates.add(item);...
How to find the Number of CPU Cores via .NET/C#?
...(for Windows only) as a NuGet package.
Physical Processors:
foreach (var item in new System.Management.ManagementObjectSearcher("Select * from Win32_ComputerSystem").Get())
{
Console.WriteLine("Number Of Physical Processors: {0} ", item["NumberOfProcessors"]);
}
Cores:
int coreCount = 0;
fo...
PHP Pass by reference in foreach [duplicate]
...
Because on the second loop, $v is still a reference to the last array item, so it's overwritten each time.
You can see it like that:
$a = array ('zero','one','two', 'three');
foreach ($a as &$v) {
}
foreach ($a as $v) {
echo $v.'-'.$a[3].PHP_EOL;
}
As you can see, the last array it...
Define: What is a HashSet?
...T's, not C#'s. Also HashSet doesnt preserve order. Try adding and removing items from a hash set, you will know if you iterate later on..
– nawfal
Nov 20 '12 at 23:56
add a co...