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How do I measure the execution time of JavaScript code with callbacks?
...(debug) elapsed_time("end readFile()");
}).listen(8080);
Here's a quick test you can run in a terminal (BASH shell):
for i in {1..100}; do echo $i; curl http://localhost:8080/; done
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imp...
Controlling the screenshot in the iOS 7 multitasking switcher
...hot is still taken and I have therefore filed a bug report. But you should test further and see if using this setting helps.
If this was an enterprise app, you might also want to look into the appropriate setting of allowScreenShot outlined in the Restrictions Payload section of the Configuration P...
Python ElementTree module: How to ignore the namespace of XML files to locate matching element when
...the namespace to a separate attribute, perhaps. For simple tag containment tests (does this document contain this tag name?) this solution is great and can be short-circuited.
– Martijn Pieters♦
Oct 1 '19 at 15:37
...
When is an interface with a default method initialized?
...initialization. The example as follows:
interface I {
int i = 1, ii = Test.out("ii", 2);
}
interface J extends I {
int j = Test.out("j", 3), jj = Test.out("jj", 4);
}
interface K extends J {
int k = Test.out("k", 5);
}
class Test {
public static void main(String[] args) {
Sy...
What causes imported Maven project in Eclipse to use Java 1.5 instead of Java 1.6 by default and how
...mporting the project if you Update Project Configuration as I wrote. I did test this 3 times and it just works on my machine.
– Pascal Thivent
Aug 21 '10 at 22:43
...
Understanding Python's “is” operator
...
You misunderstood what the is operator tests. It tests if two variables point the same object, not if two variables have the same value.
From the documentation for the is operator:
The operators is and is not test for object identity: x is y is true if and on...
New Array from Index Range Swift
...
This works for me:
var test = [1, 2, 3]
var n = 2
var test2 = test[0..<n]
Your issue could be with how you're declaring your array to begin with.
EDIT:
To fix your function, you have to cast your Slice to an array:
func aFunction(numbers: A...
How to check whether a given string is valid JSON in Java
...atch the exception:
import org.json.*;
public boolean isJSONValid(String test) {
try {
new JSONObject(test);
} catch (JSONException ex) {
// edited, to include @Arthur's comment
// e.g. in case JSONArray is valid as well...
try {
new JSONArray(te...
Static linking vs dynamic linking
...n how well it works.
The way to answer performance questions is always by testing (and use a test environment as much like the deployment environment as possible).
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Save PL/pgSQL output from PostgreSQL to a CSV file
...ostgresql's built in COPY command. e.g.
Copy (Select * From foo) To '/tmp/test.csv' With CSV DELIMITER ',' HEADER;
This approach runs entirely on the remote server - it can't write to your local PC. It also needs to be run as a Postgres "superuser" (normally called "root") because Postgres can't ...