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What is the X-REQUEST-ID http header?
...ates. If a client receives an error it can include the ID in a bug report, allowing the server operator to look up the corresponding log statements (without having to rely on timestamps, IPs, etc).
As this ID is generated (randomly) by the client it does not contain any sensitive information, and s...
Difference between CouchDB and Couchbase
...erate features of CouchDB that you will not find in the Couchbase Server.
All of the names relating to CouchDB and Couchbase can be really confusing, so I've updated this answer, to begin with a brief explanation of the most important ones.
Names and confusion
There is CouchDB, CouchIO, CouchOne,...
Default value of a type at Runtime [duplicate]
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There's really only two possibilities: null for reference types and new myType() for value types (which corresponds to 0 for int, float, etc) So you really only need to account for two cases:
object GetDefaultValue(Type t)
{
if (t...
Histogram using gnuplot?
...edited Feb 8 '14 at 23:38
Matt Ball
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answered Mar 29 '10 at 14:52
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How do I detect the Python version at runtime? [duplicate]
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@iBug is correct. The documentation specifically says to instead use sys.version_info for our purpose here. docs.python.org/3/library/sys.html#sys.version
– Max Barraclough
Jan 1 at 19:06
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Set padding for UITextField with UITextBorderStyleNone
... neat little hack to set the left padding for this exact situation.
Basically, you set the leftView property of the UITextField to be an empty view of the size of the padding you want:
UIView *paddingView = [[UIView alloc] initWithFrame:CGRectMake(0, 0, 5, 20)];
textField.leftView = paddingView;
...
Finish an activity from another activity
...ngleInstance"
When the user clicks new, do FirstActivity.fa.finish(); and call the new Intent.
When the user clicks modify, call the new Intent or simply finish activity B.
FIRST WAY
In your first activity, declare one Activity object like this,
public static Activity fa;
onCreate()
{
fa = t...
Threading pool similar to the multiprocessing Pool?
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I just found out that there actually is a thread-based Pool interface in the multiprocessing module, however it is hidden somewhat and not properly documented.
It can be imported via
from multiprocessing.pool import ThreadPool
It is implemented using a...
How do I send a cross-domain POST request via JavaScript?
...e.php (using PHP as an example). Note: you only need to set Access-Control-Allow-Origin for NON OPTIONS requests - this example always sets all headers for a smaller code snippet.
In postHere.php setup the following:
switch ($_SERVER['HTTP_ORIGIN']) {
case 'http://from.com': case 'https://fro...
When are you truly forced to use UUID as part of the design?
I don't really see the point of UUID . I know the probability of a collision is effectively nil , but effectively nil is not even close to impossible.
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