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Recover unsaved SQL query scripts
...n.
Run the following select script. It provides a list of scripts and its time of execution in the last 24 hours. This will be helpful to retrieve the scripts, if we close our query window in SQL Server management studio without saving the script. It works for all executed scripts not only a view o...
HashSet versus Dictionary w.r.t searching time to find if an item exists
...re both faster than a List .. well ... yeah! Obviously! HashSet could be 3 times faster and you wouldn't know because the relevant test has collapsed both down to "they're instantaneous ... compared to a List".
– Brondahl
Jul 26 at 20:14
...
PHP MySQL Google Chart JSON - Complete Example
...{
//echo ("Connect Successfully");
}
$query = "SELECT Date_time, Tempout FROM alarm_value"; // select column
$aresult = $con->query($query);
?>
<!DOCTYPE html>
<html>
<head>
<title>Massive Electronics</title>
<script type="text/jav...
When is the finalize() method called in Java?
...ble.
Also, the garbage collector is not guaranteed to run at any specific time. In general, what I'm trying to say is finalize() is probably not the best method to use in general unless there's something specific you need it for.
...
JSON parsing using Gson for Java
... Al I the only one who thinks Gson overcomplicates things 98% of the time? A simple JSONObject would do, but we all hate try/catch that much?
– tricknology
Jan 18 '17 at 8:39
...
WPF TemplateBinding vs RelativeSource TemplatedParent
...he nuances are not quite right.
TemplateBindings are evaluated at compile time against the type specified in the control template. This allows for much faster instantiation of compiled templates. Just fumble the name in a templatebinding and you'll see that the compiler will flag it.
The bindi...
MySQL - why not index every field?
... swapping them to and from the disk. They also increase insert and delete time (each index must be updated for every piece of data inserted/deleted/updated).
You don't have infinite memory. Making it so all indexes fit in RAM = good.
You don't have infinite time. Indexing only the columns you ne...
Remove plot axis values
...e using mock data ()
### Main Plotting Function ###
plotXY <- function(time, value){
### Plot Style Settings ###
### default bg is white, set it the same as the axis-colour
background <- "white"
### default col.axis is black, set it the same as the background to match
...
Detect application heap size in Android
... invoked (e.g., in your main activity's onCreate() method) as follows:
Runtime rt = Runtime.getRuntime();
long maxMemory = rt.maxMemory();
Log.v("onCreate", "maxMemory:" + Long.toString(maxMemory));
This method tells you how many total bytes of heap your app is allowed to use.
For item 2 above: ...
In what order are Panels the most efficient in terms of render time and performance?
There are many times when more than one panel would suitable for the layout I want, however I know there is a difference in render times for different panel types.
...