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What is the significance of initializing direction arrays below with given values when developing ch
I am new to competitive programming, and I noticed frequently, many of the great coders have these four lines in their code (particularly in those involving arrays):
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git - pulling from specific branch
I have cloned a git repository to my dev server and then switched to the dev branch but now I can't do a git pull to update the branch.
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How to set cornerRadius for only top-left and top-right corner of a UIView?
Is there a way to set cornerRadius for only top-left and top-right corner of a UIView ?
25 Answers
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Delete/Reset all entries in Core Data?
...ly.
The programmatic way for iterating through each entity is both slower and prone to error. The use for doing it that way is if you want to delete some entities and not others. However you still need to make sure you retain referential integrity or you won't be able to persist your changes.
Ju...
Comparing numbers in Bash
...hen
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fi
For POSIX shells that don't support (()), you can use -lt and -gt.
if [ "$a" -gt "$b" ]; then
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fi
You can get a full list of comparison operators with help test or man test.
share
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Static methods in Python?
...should only be used if you have to support ancient versions of Python (2.2 and 2.3)
class MyClass(object):
def the_static_method(x):
print(x)
the_static_method = staticmethod(the_static_method)
MyClass.the_static_method(2) # outputs 2
This is entirely identical to the first exampl...
Check folder size in Bash
I'm trying to write a script that will calculate a directory size and if the size is less than 10GB, and greater then 2GB do some action. Where do I need to mention my folder name?
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Spring: @Component versus @Bean
I understand that @Component annotation was introduced in spring 2.5 in order to get rid of xml bean definition by using classpath scanning.
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Browse and display files in a git repo without cloning
Is there a way to browse and display files in a git repo without cloning it first? I can do those in svn using the commands:
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Java client certificates over HTTPS/SSL
I am using Java 6 and am trying to create an HttpsURLConnection against a remote server, using a client certificate.
The server is using an selfsigned root certificate, and requires that a password-protected client certificate is presented. I've added the server root certificate and the client c...