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Spark java.lang.OutOfMemoryError: Java heap space
...or your heap. IME reducing the mem frac often makes OOMs go away. UPDATE: From spark 1.6 apparently we will no longer need to play with these values, spark will determine them automatically.
Similar to above but shuffle memory fraction. If your job doesn't need much shuffle memory then set it to a...
Printing 1 to 1000 without loop or conditionals
Task : Print numbers from 1 to 1000 without using any loop or conditional statements. Don't just write the printf() or cout statement 1000 times.
...
Submit a form using jQuery [closed]
...).serialize(), function(data) {
// ... do something with response from server
},
'json' // I expect a JSON response
);
});
$('input#submitButton').click( function() {
$.ajax({
url: 'some-url',
type: 'post',
dataType: 'json',
data: $('fo...
How to Reverse Fragment Animations on BackStack?
...droid:duration="500"
android:propertyName="x"
android:valueFrom="1000"
android:valueTo="0"
android:valueType="floatType" />
</set>
slide_in_right.xml
<?xml version="1.0" encoding="utf-8"?>
<set xmlns:android="http://schemas.android.com/apk/res/an...
Should I pass a shared_ptr by reference? [duplicate]
...<Foo*> will be a nightmare to maintain, and any number of bugs arise from improper lifetime management. What's worse conceptually is that it is never clear who owns the objects whose pointers the container stores. The pointers could even be a mix of pointers to dynamic objects, automatic objec...
Bubble Sort Homework
...ne argument (named stop). In that case, you get a list of all the integers from 0 to that argument.
for i in range(length):
The Python Style Guide recommends that variables be named in lowercase with underscores. This is a very minor nitpick for a little script like this; it's more to get you accu...
Why should we NOT use sys.setdefaultencoding(“utf-8”) in a py script?
...
As per the documentation: This allows you to switch from the default ASCII to other encodings such as UTF-8, which the Python runtime will use whenever it has to decode a string buffer to unicode.
This function is only available at Python start-up time, when Python scans th...
Pointer vs. Reference
...
I really think you will benefit from establishing the following function calling coding guidelines:
As in all other places, always be const-correct.
Note: This means, among other things, that only out-values (see item 3) and values passed by value (see ...
Bind TextBox on Enter-key press
...rk! Tiny nit-pick: When the UpdatePropertySourceWhenEnterPressed changes from a valid value to a different valid value, you are unsubscribing & re-subscribing to the PreviewKeyDown event unnecessarily. Instead, all you should need is to check whether or not the e.NewValue is null or not. If ...
UnboundLocalError on local variable when reassigned after first use
...es in functions differently depending on whether you assign values to them from inside or outside the function. If a variable is assigned within a function, it is treated by default as a local variable. Therefore, when you uncomment the line you are trying to reference the local variable c before ...