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Setting environment variables for accessing in PHP when using Apache
...
in xampp on windows the file will be C:\xampp\apache\conf\extra\httpd-vhosts.conf
– Dung
Apr 3 '17 at 19:09
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PostgreSQL function for last inserted ID
...s some TRIGGER (or RULE) that, on insertion into persons table, makes some extra insertions in other tables... then LASTVAL will probably give us the wrong value. The problem can even happen with CURRVAL, if the extra insertions are done intto the same persons table (this is much less usual, but the...
Selecting and manipulating CSS pseudo-elements such as ::before and ::after using jQuery
...) with $('p')[0] when using jQuery, for slightly shorter code.
Pros: any string can be dynamically inserted into the style
Cons: original styles aren't altered, just overridden; repeated (ab)use can make the DOM grow arbitrarily large
3) Alter a different DOM attribute
You can also to use att...
What is content-type and datatype in an AJAX request?
...json",
contentType: "application/json; charset=utf-8",
data : JSON.stringify(data),
success : function(result) {
alert(result.success); // result is an object which is created from the returned JSON
},
});
If you're expecting the following:
<div>SUCCESS!!!</div>...
How can I avoid Java code in JSP files, using JSP 2?
..., HttpServletResponse response) throws ServletException, IOException {
String username = request.getParameter("username");
String password = request.getParameter("password");
User user = userService.find(username, password);
if (user != null) {
request.getSession().setAttrib...
Get size of all tables in database
...with filtered indexes: For each filtered index for a given table, I see an extra row with that tables's name in the results. The "RowCounts" of each of those extra rows corresponds to the number of rows covered by one of the filtered indexes. (on Sql2012)
– Akos Lukacs
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How to get the ASCII value of a character
How do I get the ASCII value of a character as an int in Python ?
5 Answers
5
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Why doesn't await on Task.WhenAll throw an AggregateException?
...on and throws the underlying exception. By leveraging
await, you avoid the extra work to handle the AggregateException type
used by Task.Result, Task.Wait, and other Wait methods defined in the
Task class. That’s another reason to use await instead of the
underlying Task methods....
...
Given a URL to a text file, what is the simplest way to read the contents of the text file?
... = urllib2.urlopen("http://www.google.com").read(20000) # read only 20 000 chars
data = data.split("\n") # then split it into lines
for line in data:
print line
* Second example in Python 3:
import urllib.request # the lib that handles the url stuff
for line in urllib.request.urlopen(t...
ruby on rails f.select options with custom attributes
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def options_for_select(container, selected = nil)
return container if String === container
container = container.to_a if Hash === container
selected, disabled = extract_selected_and_disabled(selected)
options_for_select = container.inject([]) do |options, element|
html_attrib...