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How do I check CPU and Memory Usage in Java?
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If you are looking specifically for memory in JVM:
Runtime runtime = Runtime.getRuntime();
NumberFormat format = NumberFormat.getInstance();
StringBuilder sb = new StringBuilder();
long maxMemory = runtime.maxMemory();
lon...
Store print_r result into a variable as a string or text
If I use print_ r or var_dump it displays the result on the screen, but I want this data to be stored in a variable so that I can write it to a file.
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How do I view cookies in Internet Explorer 11 using Developer Tools
... for ExtJS: Ext.Ajax.request({url: '/'});. Note that this should work even if the page does not exists (i.e. answer is 404). You might want to change the url so that you not break anything in your app ;-).
– Nux
Apr 28 '15 at 15:57
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BeautifulSoup Grab Visible Webpage Text
Basically, I want to use BeautifulSoup to grab strictly the visible text on a webpage. For instance, this webpage is my test case. And I mainly want to just get the body text (article) and maybe even a few tab names here and there. I have tried the suggestion in this SO question that returns l...
Check that Field Exists with MongoDB
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@fernandohur: yeah, but if you have less than one page of documents, you won't even see the difference. And if you were to run this query from external driver, I'm pretty sure most of them shield you from the cursor implementation detail.
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Calculating the difference between two Java date instances
...lass in Scala and want to compare a Date object and the current time. I know I can calculate the delta by using getTime():
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MySQL pagination without double-querying?
I was wondering if there was a way to get the number of results from a MySQL query, and at the same time limit the results.
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How to add 30 minutes to a JavaScript Date object?
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* Example: dateAdd(new Date(), 'minute', 30) //returns 30 minutes from now.
* https://stackoverflow.com/a/1214753/18511
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* @param date Date to start with
* @param interval One of: year, quarter, month, week, day, hour, minute, second
* @param units Number of units of the given interval...
adding x and y axis labels in ggplot2
...Area vs. Discharge and Nitrogen Levels (PPM)")
An alternate way to specify just labels (handy if you are not changing any other aspects of the scales) is using the labs function
ggplot(ex1221, aes(Discharge, Area)) +
geom_point(aes(size=NO3)) +
scale_size_area() +
labs(size= "Nitrogen",...
Performance - Date.now() vs Date.getTime()
...ings are the same (edit semantically; performance is a little better with .now()):
var t1 = Date.now();
var t2 = new Date().getTime();
However, the time value from any already-created Date instance is frozen at the time of its construction (or at whatever time/date it's been set to). That is, if ...