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Best way to test SQL queries [closed]
...ls of views before the optimizer throws its virtual hands into the air and starts doing full table scans on every request, so don't over-do this approach.
Remember to test the heck out of your test cases!
Otherwise creating a very wide set of data to encompass most or all possible forms of inputs,...
Interpolating a string into a regex
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Probably Regexp.escape(foo) would be a starting point, but is there a good reason you can't use the more conventional expression-interpolation: "my stuff #{mysubstitutionvariable}"?
Also, you can just use !goo.match(foo).nil? with a literal string.
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Text overflow ellipsis on two lines
...eep on adding lines of text, nothing happens. After how many lines will it start showing ellipsis ?
– coding_idiot
Jan 29 '15 at 11:09
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How do I lock the orientation to portrait mode in a iPhone Web Application?
...asi-portrait mode. Here's JavaScript (expressed in jQuery) code to get you started:
$(document).ready(function () {
function reorient(e) {
var portrait = (window.orientation % 180 == 0);
$("body > div").css("-webkit-transform", !portrait ? "rotate(-90deg)" : "");
}
window.onor...
How can I update npm on Windows?
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@singe3 The command prompt must be elevated (started as Admin) to be able to modify C:\Program Files. I don't really like this method because "npm install -g" will try to install under Program Files, thus the cmd prompt must always be run elevated to install other glob...
What's a good way to overwrite DateTime.Now during testing?
...ross timezones is a minefield but the best first foot forward is to always start with UTC time.
– Adam Ralph
Nov 15 '13 at 15:33
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Why should I use document based database instead of relational database?
...seen any database schema in two years time resemble the original schema we started with... so everything equal (which it isn't...), you should always use a schemaless database = a document-oriented one; which i think is a rather misleading name...
– ᆼᆺᆼ
J...
Show the progress of a Python multiprocessing pool imap_unordered call?
...[]
pbar = ProgressBar(widgets=[SimpleProgress()], maxval=len(dummy_args)).start()
r = [pool.apply_async(my_function, (x,), callback=results.append) for x in dummy_args]
while len(results) != len(dummy_args):
pbar.update(len(results))
sleep(0.5)
pbar.finish()
print results
Basically, yo...
Get button click inside UITableViewCell
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This solution runs into problems when you start inserting and deleting rows. The tag is not updated when rows are shifted. Instead of keeping a reference to the row. It may be better to keep a reference to a unique object id.
– Vincent Cheong
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Difference between Key, Primary Key, Unique Key and Index in MySQL
... through a phone book directory to find someone by the last name: We don't start searching through the directory from cover to cover, as long we inserted the information in some order that we can use to skip quickly to the 'S' pages.
Primary keys and unique keys are similar. A primary key is a colu...