大约有 47,000 项符合查询结果（耗时：0.0797秒） [XML]
When is localStorage cleared?
...less popular) alternatives to
cookies include techniques involving query strings, hidden form
fields, flash based local shared objects, etc. Each with their own set
of problems related to security, ease of use, size restrictions etc.
So up until now we have been using pretty bad ways of stor...
How can I verify a Google authentication API access token?
...
Here's an example using Guzzle:
/**
* @param string $accessToken JSON-encoded access token as returned by \Google_Client->getAccessToken() or raw access token
* @return array|false False if token is invalid or array in the form
*
* array (
* 'issued_to' => ...
Microsoft Excel mangles Diacritics in .csv files?
...xcel CSV
* @param array $header
* @param array $data
* @param string $filename
*/
function toCSV($header, $data, $filename) {
$sep = "\t";
$eol = "\n";
$csv = count($header) ? '"'. implode('"'.$sep.'"', $header).'"'.$eol : '';
foreach($data as $line) {
$c...
What is polymorphism, what is it for, and how is it used?
...reach (Vehicle v in vehicles)
{
Console.WriteLine(
string.Format("A {0} has {1} wheels.",
v.GetType().Name, v.Wheels));
}
}
In this example, we create a list of the base class Vehicle, which does not know about how many wheels each of its sub-classes has...
Run a JAR file from the command line and specify classpath
...pp is the fully qualified name of the class from the JAR that has the main(String[]) method
The jar and dependent jar should have execute permissions.
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Why are Where and Select outperforming just Select?
...e execution of where+select vs select with same results.
static void Main(string[] args)
{
int total = 10000000;
Random r = new Random();
var list = Enumerable.Range(0, total).Select(i => r.Next(0, 5)).ToList();
for (int i = 0; i < 40000...
Java time-based map/cache with expiring keys [closed]
...sing the == semantics, not equals(). I lost 30 minutes figuring out why my String-keyed cache was not working :)
– Laurent Grégoire
Nov 21 '13 at 10:45
3
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Curious null-coalescing operator custom implicit conversion behaviour
...lable types; I've tried various permutations with one of the sides being a string, and none of them caused this behaviour.
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Which ORM should I use for Node.js and MySQL? [closed]
...ference between Sequelize and Persistence.js is that the former supports a STRING datatype, i.e. VARCHAR(255). I felt really uncomfortable making everything TEXT.
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How do you create a yes/no boolean field in SQL server?
... 9 up to 16 bit columns, the columns are
stored as 2 bytes, and so on.
The string values TRUE and FALSE can be converted to bit values: TRUE
is converted to 1 and FALSE is converted to 0.
Converting to bit promotes any nonzero value to 1.
Reference
Note: It is good practice to keep values as 1 and ...