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RESTful web service - how to authenticate requests from other services?

...xample "my4wesomeP4ssword!" 11630my4wesomeP4ssword! Then do MD5 of that string: 05a9d022d621b64096160683f3afe804 When do you call a request, always use this token, https://mywebservice.com/?token=05a9d022d621b64096160683f3afe804&op=getdata This token is always unique everyday, so I gues...
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Checking if a blob exists in Azure Storage

...asy as: public static bool BlobExistsOnCloud(CloudBlobClient client, string containerName, string key) { return client.GetContainerReference(containerName) .GetBlockBlobReference(key) .Exists(); } ...
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What and where are the stack and heap?

...ate a lot of data. Responsible for memory leaks. Example: int foo() { char *pBuffer; //<--nothing allocated yet (excluding the pointer itself, which is allocated here on the stack). bool b = true; // Allocated on the stack. if(b) { //Create 500 bytes on the stack char buffer[50...
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How can you use an object's property in a double-quoted string?

... When you enclose a variable name in a double-quoted string it will be replaced by that variable's value: $foo = 2 "$foo" becomes "2" If you don't want that you have to use single quotes: $foo = 2 '$foo' However, if you want to access properties, or use indexes on vari...
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How do you set a default value for a MySQL Datetime column?

...--------+-------+ | Field | Type | Null | Key | Default | Extra | +-------+-------------+------+-----+-------------------+-------+ | str | varchar(32) | YES | | NULL | | | ts | timestamp | NO | | CURRENT_TIMESTAMP | | +-------+-----------...
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Representing null in JSON

...son2 = '{"myCount": null}'; var json3 = '{"myCount": 0}'; var json4 = '{"myString": ""}'; var json5 = '{"myString": "null"}'; var json6 = '{"myArray": []}'; console.log(JSON.parse(json1)); // {} console.log(JSON.parse(json2)); // {myCount: null} console.log(JSON.parse(json3)); // {myCount: 0} conso...
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What are the -Xms and -Xmx parameters when starting JVM?

...nary_prefix. In addition, because some unusable space is set aside for an extra pool of Survivor space, the amount of memory actually available according to Runtime.getRuntime().maxMemory() is less than the value specified via -Xmx – nealmcb Sep 30 '15 at 5:20...
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How can I solve a connection pool problem between ASP.NET and SQL Server?

...d Close throws an exception: var connection = new SqlConnection(connectionString); connection.Open(); // some code connection.Close(); The correct way would be this: var connection = new SqlConnection(ConnectionString); try { connection.Open(); someCall (connection); } ...
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Polymorphism: Why use “List list = new ArrayList” instead of “ArrayList list = new ArrayList”? [dupl

... do is to cast your list down to an ArrayList. Here's an example: List<String> list = new ArrayList<String>(); ((ArrayList<String>) list).ensureCapacity(19); Ultimately I think tsatiz is correct as once you cast to an ArrayList you're no longer coding to an interface. However, i...
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Creating a comma separated list from IList or IEnumerable

What is the cleanest way to create a comma-separated list of string values from an IList<string> or IEnumerable<string> ? ...