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How to save traceback / sys.exc_info() values in a variable?
...ionError"
exc_tuple[1] value will be "integer division or modulo by zero" (String passed as parameter to the exception class)
exc_tuple[2] value will be "trackback object at (some memory address)"
The above details can also be fetched by simply printing the exception in string format.
print str(...
MySQL DISTINCT on a GROUP_CONCAT()
...swers to this question do not return what the OP needs, they will return a string like:
test1 test2 test3 test1 test3 test4
(notice that test1 and test3 are duplicated) while the OP wants to return this string:
test1 test2 test3 test4
the problem here is that the string "test1 test3" is duplic...
Random “Element is no longer attached to the DOM” StaleElementReferenceException
... to use a method like this with some success:
WebElement getStaleElemById(String id) {
try {
return driver.findElement(By.id(id));
} catch (StaleElementReferenceException e) {
System.out.println("Attempting to recover from StaleElementReferenceException ...");
return...
Read input from console in Ruby?
... personally like
using the method gets. When you use gets, it gets the string
that you typed, and that includes the ENTER key that you pressed
to end your input.
name = gets
"mukesh\n"
You can see this in irb; type this and you will see the \n, which is the “newline” character ...
Javascript replace with reference to matched group?
I have a string, such as hello _there_ . I'd like to replace the two underscores with <div> and </div> respectively, using JavaScript . The output would (therefore) look like hello <div>there</div> . The string might contain multiple pairs of underscores.
...
Why is a round-trip conversion via a string not safe for a double?
...amp;number, &dTest);
if (dTest == value) {
gc.refRetVal = NumberToString(&number, 'G', DOUBLE_PRECISION, gc.numfmt);
goto lExit;
}
DoubleToNumber(value, 17, &number);
DoubleToNumber is pretty simple -- it just calls _ecvt, which is in the C runtime:
void DoubleToNumber(doubl...
Entity Framework Code First - two Foreign Keys from same table
... this:
public class Team
{
public int TeamId { get; set;}
public string Name { get; set; }
public virtual ICollection<Match> HomeMatches { get; set; }
public virtual ICollection<Match> AwayMatches { get; set; }
}
public class Match
{
public int MatchId { get; set;...
Why should we NOT use sys.setdefaultencoding(“utf-8”) in a py script?
...ch 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 the environment. It has to be called in a system-wide module, sitecustomize.py, After this module has been evaluated, the...
What are some compelling use cases for dependent method types?
... type Resource <: BasicResource
trait BasicResource {
def hash : String
def duplicates(r : Resource) : Boolean
}
def create : Resource
// Test methods: exercise is to move them outside ResourceManager
def testHash(r : Resource) = assert(r.hash == "9e47088d")
def testDuplic...
Use of undeclared identifier 'kUTTypeMovie'
...ker.sourceType = .camera
imagePicker.mediaTypes = [kUTTypeMovie as String]
imagePicker.videoMaximumDuration = 10 // or whatever you want
imagePicker.videoQuality = .typeMedium
imagePicker.allowsEditing = false
present(imagePicker, animated: true, completion: n...