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How to take emulator screenshots using Eclipse?
... take a screenshot if you open the Android view "devices" (under Window --> Show View --> Other... --> Android --> Devices). Click on the device or emulator you want to take a screen shot of, then click the "Screen Capture" button (it looks like a little picture, and it should be next t...
Deleting all files in a directory with Python
...s.sep)
for r,d,f in os.walk(path):
if r.count(os.sep) - cpath <maxdepth:
for files in f:
if files.endswith(pattern):
try:
print "Removing %s" % (os.path.join(r,files))
#os.remove(os.path.jo...
Ruby on Rails Callback, what is difference between :before_save and :before_create?
... use before_validation and after_validation respectively with option :on => :create.
– Sun
May 20 '13 at 14:59
How ...
Remove characters after specific character in string, then remove substring?
...te.com/somepage.aspx?whatever";
int index = input.IndexOf("?");
if (index > 0)
input = input.Substring(0, index);
Edit: If everything after the last slash, do something like
string input = "http://www.somesite.com/somepage.aspx?whatever";
int index = input.LastIndexOf("/");
if (index > ...
How do I add 1 day to an NSDate?
...on Date { func adding(_ component: Calendar.Component, _ value: Int) -> Date? { return Calendar.current.date(byAdding: component, value: value, to: self) } } usage Date().adding(.day, 1) // "Jun 6, 2019 at 5:35 PM"
– Leo Dabus
Jun 5 '19 at ...
Swift double to string
... FloatingPoint where Self: CVarArg {
func fixedFraction(digits: Int) -> String {
.init(format: "%.*f", digits, self)
}
}
If you need more control over your number format (minimum and maximum fraction digits and rounding mode) you can use NumberFormatter:
extension Formatter {
...
What does 'super' do in Python?
...child you're using has hard-coded the method to be called after its own:
>>> o = UnsuperInjector()
UnsuperChild.__init__(self) called
SomeBaseClass.__init__(self) called
However, the class with the child that uses super can correctly inject the dependency:
>>> o2 = SuperInjecto...
How using try catch for exception handling is best practice
...f all, how an exception can't be even an error?
No database connection => exception.
Invalid string format to parse to some type => exception
Trying to parse JSON and while input isn't actually JSON => exception
Argument null while object was expected => exception
Some library has a bu...
How do I create a Linked List Data Structure in Java? [closed]
...atic void main(String[] args) {
//Inserting
for(int i=0;i<5;i++){
Link.insert(i+5);
}
Link.printList();
//Deleting
Link.deletefromFirst();
Link.printList();
}
protected static class Link {
private int data;
...
Enable 'xp_cmdshell' SQL Server
...
Right click server -->Facets-->Surface Area Configuration -->XPCmshellEnbled -->true
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