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Difference between declaring variables before or in loop?
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+1 for actually testing it, not just an opinion/theory the OP could have made up himself.
– MGOwen
May 5 '10 at 0:53
3
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ios app maximum memory budget
... that's why I want to limit them with a budget. I guess we'll just have to test on many different devices in different settings to find a reasonable maximum memory footprint to use.
– frilla
May 5 '11 at 0:42
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list every font a user's browser can display
...version is a bit flaky. It gets fonts by iterating through known fonts and testing.
The most accurate way (albeit having to use a propriety plugin) is to use Flash. Here you can get the list of fonts without having to test for them individually using dimensions.
You are going have to decide wheth...
Cookies on localhost with explicit domain
...ng the 'domain' portion of the cookie at all." For example, using a simple test to completely leave out the domain section of the cookie works for localhost: ((domain && domain !== "localhost") ? ";domain="+domain : "")
– L0j1k
Apr 15 '15 at 21:36
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How do you calculate log base 2 in Java for integers?
...g a more general task - trying to implement int log(int x, int base):
The testing code:
static int pow(int base, int power) {
int result = 1;
for (int i = 0; i < power; i++)
result *= base;
return result;
}
private static void test(int base, int pow) {
int x = pow(base,...
Purge Kafka Topic
...he topic:
bin/kafka-topics.sh --zookeeper localhost:2181 --delete --topic test
then re-create it:
bin/kafka-topics.sh --create --zookeeper localhost:2181 \
--replication-factor 1 --partitions 1 --topic test
share
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How to Get Element By Class in JavaScript?
...mentsBytagName has also a length property, for which the className/indexOf test is then done as well. Although this is not a problem in this case, a regular for loop would be more correct.
– Wolfgang Stengel
Mar 6 '13 at 15:56
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Does async(launch::async) in C++11 make thread pools obsolete for avoiding expensive thread creation
...s under the impression that Linux thread creation was very cheap and after testing I determined that the overhead of function call in a new thread vs. a normal one is enormous. The overhead for creating a thread to handle a function call is something like 10000 or more times slower than a plain func...
Local Storage vs Cookies
...astructure. Modern web apps include 3rd party JavaScript libraries for A/B testing, funnel/market analysis, and ads. We use package managers like Bower to import other peoples’ code into our apps.
What if only one of the scripts you use is compromised? Malicious
JavaScript can be embedded o...
In Jinja2, how do you test if a variable is undefined?
... Additionally, you can use {% if variable is not defined %} to test the inverse.
– pbaranay
Feb 22 '17 at 15:37
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