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Python regular expressions return true/false
...bool(re.search("hi", "abcdefgijkl"))
False
As other answers have pointed out, if you are just using it as a condition for an if or while, you can use it directly without wrapping in bool()
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setMaxResults for Spring-Data-JPA annotation?
...uery to be executed in case you use Page as return type as we need to find out how many elements there are in total to calculate the metadata. Beyond that, be sure you actually equip the PageRequest with sorting information to get stable results. Otherwise you might trigger the query twice and get d...
How do I check if an element is hidden in jQuery?
...ble will also check if the parent elements are visible, as chiborg pointed out.
– Tsvetomir Tsonev
Jan 6 '11 at 12:30
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Declaring Multiple Variables in JavaScript
...ion:
(function () {
var variable1 = "Hello World!" // semicolon is missed out accidently
var variable2 = "Testing..."; // still a local variable
var variable3 = 42;
}());
While the second way is less forgiving:
(function () {
var variable1 = "Hello World!" // comma is missed out accidently
v...
How can I find the last element in a List?
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As pointed out previously, this answer does not take into account situation when the list is empty and should not be used IMHO.
– merrr
Apr 18 '14 at 21:47
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Best way to test if a row exists in a MySQL table
I'm trying to find out if a row exists in a table. Using MySQL, is it better to do a query like this:
12 Answers
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Getting full JS autocompletion under Sublime Text
... adjust the way code completion works. I love SublimeCodeIntel, but check out other answers to this question for more options.
As a side note, I'd really recommend installing Package control to take full advantage of the Sublime community. Some of the options above use Package control. I'd also...
How can you use an object's property in a double-quoted string?
... "Fail" because it can't work. Thus my answer was just an educated guess about what your poblem could be, using the first possible failure cause I could see. Sorry if it looked like it, but that comment wasn't referring to any best practice or so.
– Joey
Jul 18...
Using ThreadPool.QueueUserWorkItem in ASP.NET in a high traffic scenario
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Other answers here seem to be leaving out the most important point:
Unless you are trying to parallelize a CPU-intensive operation in order to get it done faster on a low-load site, there is no point in using a worker thread at all.
That goes for both free thre...
How to do what head, tail, more, less, sed do in Powershell? [closed]
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Holy cow, this is maxing out my CPU to do a -last 2 on a 1GB CSV. Hot beverage: ☕
– mlissner
Feb 19 '13 at 19:28
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