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NSURLRequest setting the HTTP header
I need to set the HTTP header for a request. In the documentation for the NSURLRequest class I didn't find anything regarding the HTTP header. How can I set the HTTP header to contain custom data?
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How to clear all s’ contents inside a parent ?
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This clears more than what was asked for in the original question -- you should use a more specific selector.
– Drew Noakes
Aug 10 '11 at 10:48
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Importing data from a JSON file into R
...i.worldbank.org/country?per_page=10&region=OED&lendingtype=LNX&format=json"
json_data <- fromJSON(paste(readLines(json_file), collapse=""))
Update: since version 0.2.1
json_data <- fromJSON(file=json_file)
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What is DOM Event delegation?
...ers found by
following the EventTarget's parent
chain upward, checking for any event
listeners registered on each
successive EventTarget. This upward
propagation will continue up to and
including the Document.
Event bubbling provides the foundation for event delegation in browsers. Now...
How to create json by JavaScript for loop?
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var status = document.getElementsByName("status")[0];
var jsonArr = [];
for (var i = 0; i < status.options.length; i++) {
jsonArr.push({
id: status.options[i].text,
optionValue: status.options[i].value
});
}
</script>
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SQL-Server: Is there a SQL script that I can use to determine the progress of a SQL Server backup or
... the process has progressed, and thus how much longer I still need to wait for it to finish. If I kick off the backup or restore with a script, is there a way to monitor the progress, or do I just sit back and wait for it to finish (hoping that nothing has gone wrong?)
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Delete duplicate rows from small table
...s has to do with the inner select statement here getting executed N times (for all N rows in the dupes table) rather than the grouping that's going on in the other solution.
– David
Sep 12 '17 at 12:36
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How to have an automatic timestamp in SQLite?
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Just declare a default value for a field:
CREATE TABLE MyTable(
ID INTEGER PRIMARY KEY,
Name TEXT,
Other STUFF,
Timestamp DATETIME DEFAULT CURRENT_TIMESTAMP
);
However, if your INSERT command explicitly sets this field to NULL, it will...
How to choose the id generation strategy when using JPA and Hibernate
...Hibernate provides a range of built-in implementations. The shortcut names for the built-in generators are as follows:
increment
generates identifiers of type long, short or int that are unique only when no other process is inserting data into the same table. Do not use in a cluster.
identity
suppor...
How can I update a single row in a ListView?
...ng called too frequently, since notifyDataSetChanged() calls getView() for all visible items. I want to update just the single item in the list. How would I do this?
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