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Use jQuery to change an HTML tag?
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Yup. And for the record, there are actually a lot of very valid reasons you might want to change a tag. e.g. if you had DIV tags within a SPAN, which is hella non-standard. I have gotten a lot of use out of this function while workin...
What is the cleanest way to get the progress of JQuery ajax request?
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Something like this for $.ajax (HTML5 only though):
$.ajax({
xhr: function() {
var xhr = new window.XMLHttpRequest();
xhr.upload.addEventListener("progress", function(evt) {
if (evt.lengthComputable) {
...
Creating an abstract class in Objective-C
...ract, just don't use it without subclassing it. There is no compile-time enforcement that prevents instantiation of an abstract class, however. In fact, there is nothing to stop a user from providing implementations of abstract methods via a category (i.e. at runtime). You can force a user to at lea...
How to check if a string is a valid hex color representation?
For example:
7 Answers
7
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Aggregate / summarize multiple variables per group (e.g. sum, mean)
...ere is this year() function from?
You could also use the reshape2 package for this task:
require(reshape2)
df_melt <- melt(df1, id = c("date", "year", "month"))
dcast(df_melt, year + month ~ variable, sum)
# year month x1 x2
1 2000 1 -80.83405 -224.9540159
2 2000 2...
What is meant by the term “hook” in programming?
...erred from the conversation that a hook is a type of function. I searched for a definition but was unable to find a good answer. Would someone be able to give me an idea of what this term generally means and perhaps a small example to illustrate the definition?
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PHP CURL DELETE request
...f you need to send some json with your request.
* For me delete requests are always blank
* @return Obj $result HTTP response from REST interface in JSON decoded.
*/
public function curl_del($path, $json = '')
{
$url = $this->__url.$path;
$ch = curl_init();
...
Configuring Vim for C++
...een source and header file: A plugin
Snippets: Snipmate or UltiSnip
Search for reference of variables, functions, classes, etc.: Cscope
Go to definition: Ctags or part of YouCompleteMe subcommands mentioned above
Refactoring tools: Refactor, lh-refactor
Useful text objects: Arg text object and Class...
What do helper and helper_method do?
helper_method is straightforward: it makes some or all of the controller's methods available to the view.
1 Answer
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SQL Server String or binary data would be truncated
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You will need to post the table definitions for the source and destination tables for us to figure out where the issue is but the bottom line is that one of your columns in the source table is bigger than your destination columns. It could be that you are changing for...