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What's the best way to build a string of delimited items in Java?
While working in a Java app, I recently needed to assemble a comma-delimited list of values to pass to another web service without knowing how many elements there would be in advance. The best I could come up with off the top of my head was something like this:
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How to use multiple AWS Accounts from the command line?
I've got two different apps that I am hosting (well the second one is about to go up) on Amazon EC2.
7 Answers
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Why is the gets function so dangerous that it should not be used?
...need to use a wrapper around fgets() that deletes the newline:
char *fgets_wrapper(char *buffer, size_t buflen, FILE *fp)
{
if (fgets(buffer, buflen, fp) != 0)
{
size_t len = strlen(buffer);
if (len > 0 && buffer[len-1] == '\n')
buffer[len-1] = '\0';
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Remove CSS from a Div using JQuery
I'm new to JQuery. In my App I have the following:
13 Answers
13
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How to change collation of database, table, column?
The database is latin1_general_ci now and I want to change collation to utf8mb4_general_ci .
19 Answers
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Update relationships when saving changes of EF4 POCO objects
... got from step 3.
SaveChanges();
In the following example "dataobj" and "_categories" are the parameters received by my controller "dataobj" is my main object, and "_categories" is an IEnumerable containing the IDs of the categories the user selected in the view.
db.Entry(dataobj).State = Ent...
Get the (last part of) current directory name in C#
...the last part of current directory, for example from /Users/smcho/filegen_from_directory/AIRPassthrough , I need to get AIRPassthrough .
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What is a bus error?
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In my case, a method static_casted a void * parameter to an object that stores a callback (one attribute points to the object and the other to the method). Then the callback is called. However, what was passed as void * was something completely differe...
Register Application class in Manifest?
I have one Application class to keep the global state of my application. But I'm unable to register it in Manifest file? Any idea how to do this?
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In MySQL, can I copy one row to insert into the same table?
...rd Challis's technique with a few changes:
CREATE TEMPORARY TABLE tmptable_1 SELECT * FROM table WHERE primarykey = 1;
UPDATE tmptable_1 SET primarykey = NULL;
INSERT INTO table SELECT * FROM tmptable_1;
DROP TEMPORARY TABLE IF EXISTS tmptable_1;
As a temp table, there should never be more than o...