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Make sure only a single instance of a program is running
...tendo import singleton
me = singleton.SingleInstance() # will sys.exit(-1) if other instance is running
The latest code version is available singleton.py. Please file bugs here.
You can install tend using one of the following methods:
easy_install tendo
pip install tendo
manually by getting it ...
How do I implement __getattribute__ without an infinite recursion error?
...t__ attribute inside __getattribute__ invokes your __getattribute__ again. If you use object's __getattribute__ instead, it works:
class D(object):
def __init__(self):
self.test=20
self.test2=21
def __getattribute__(self,name):
if name=='test':
return 0.
...
jQuery: Performing synchronous AJAX requests
... Firefox and Chrome have already started to print a warning in the console if you use this:
Chrome:
Synchronous XMLHttpRequest on the main thread is deprecated because of its detrimental effects to the end user's experience. For more help, check https://xhr.spec.whatwg.org/.
Firefox:
Sync...
Different class for the last element in ng-repeat
...DerMike In that case you'd put another class on the ng-repeat elements to differentiate them from the trailing div
– aidan
Oct 12 '16 at 23:34
add a comment
...
proguard hell - can't find referenced class
...d runtime (android.jar), so ProGuard warns that something might be broken. If you're sure that your application works anyway, you can specify
-dontwarn javax.xml.stream.events.**
ProGuard hell?
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Angularjs prevent form submission when input validation fails
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I disagree with "no need for controller checks". What if we ant additional validation checks happen in the submit function.
– SlaterCodes
Jul 31 '14 at 18:42
6...
Diff two tabs in Vim
...e same tab instead of a new one.
Here's what I usually do:
:edit file1
:diffthis
:vnew
:edit file2
:diffthis
The :vnew command splits the current view vertically so you can open the second file there. The :diffthis (or short: :difft) command is then applied to each view.
...
What's the difference between the WebConfigurationManager and the ConfigurationManager?
What's the difference between the WebConfigurationManager and the ConfigurationManager ?
4 Answers
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What is this: [Ljava.lang.Object;?
... array of Object.
The naming scheme is documented in Class.getName():
If this class object represents a reference type that is not an array type then the binary name of the class is returned, as specified by the Java Language Specification (§13.1).
If this class object represents a primit...
How to negate the whole regex?
...h regex solutions to toy problems as exercises; they should be educational if you're trying to learn the various ways you can use lookarounds (nesting them, using them to capture, etc):
codingBat plusOut using regex
codingBat repeatEnd using regex
codingbat wordEnds using regex
...