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What is the difference between ? and Object in Java generics?
...n't know the type of the value (it's ?), you don't know if if it's safe to call put(key, "x"), put(key, 0), or anything else.
– erickson
Jan 26 '16 at 19:50
...
Which SQL query is faster? Filter on Join criteria or Where clause?
...
SELECT *
FROM TableA a
LEFT JOIN
TableXRef x
ON x.TableAID = a.ID
AND a.ID = 1
LEFT JOIN
TableB b
ON x.TableBID = b.ID
or this:
SELECT *
FROM TableA a
LEFT JOIN
TableXRef x
ON x.TableAID = a.ID
LEFT JOIN
TableB b
ON b.id = x.Ta...
Right Align button in horizontal LinearLayout
...
Use below code for that
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:layout_marginTop="35dp"
android:orientation="horizontal" >
<TextView
...
What is the http-header “X-XSS-Protection”?
...ew/…), also because it does not have any mean to detect Stored XSS (also called Persistent XSS).
– Luca Invernizzi
Jul 21 '12 at 2:31
11
...
Enums and Constants. Which to use when?
...lass with const strings that looks and acts like an enum but circumvents a call to ToString()? Example
– Sinjai
Jan 29 '18 at 0:28
...
Iterate over object keys in node.js
... but ... why on earth show the key of the object being passed as something called "element", and the enumerator for the keys array called "key" ?! Can I suggest you update your code sample to use Object.keys(myObject).forEach(function(key, index, arrayOfKeys) {
– Andy Lorenz
...
boost::flat_map and its performance compared to map and unordered_map
...se, because your cache will not be warm, and your operation will likely be called just once. Therefore you need to benchmark using RDTSC, and time stuff calling them once only.
Intel has made a paper describing how to use RDTSC (using a cpuid instruction to flush the pipeline, and calling it at leas...
What exactly can cause an “HIERARCHY_REQUEST_ERR: DOM Exception 3”-Error?
...
If you are getting this error due to a jquery ajax call $.ajax
Then you may need to specify what the dataType is coming back from the server. I have fixed the response a lot using this simple property.
$.ajax({
url: "URL_HERE",
dataType: "html",
success: functio...
How to generate unique ID with node.js
...upposed to use callbacks. What will happen with your code, is that base.getID query will get queued up by for execution, but the while loop will continusouly run as a busy loop pointlessly.
You should be able to solve your issue with a callback as follows:
function generate(count, k) {
var _sy...
How can I delete the current line in Emacs?
...ne
which will "kill to the end of the line and kill whole line on the next
call". But if you prefer delete instead of kill, you can use the
code below.
For point-to-string operation (kill/delete) I recommend to use zop-to-char
(defun aza-delete-line ()
"Delete from current position to end of lin...