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How to get notified about changes of the history via history.pushState?
...ired when you use pushState. But an event such as pushstate would come in handy. Because history is a host object, you should be careful with it, but Firefox seems to be nice in this case. This code works just fine:
(function(history){
var pushState = history.pushState;
history.pushState = ...
How to set a Django model field's default value to a function call / callable (e.g., a date relative
...e class.
PRE Django 1.7
Django lets you pass a callable as the default, and it will invoke it each time, just as you want:
from datetime import datetime, timedelta
class MyModel(models.Model):
# default to 1 day from now
my_date = models.DateTimeField(default=lambda: datetime.now() + timedel...
How do I find where an exception was thrown in C++?
...t exception somewhere. All I get is a report of an exception being thrown, and no information as to where it was thrown. It seems illogical for a program compiled to contain debug symbols not to notify me of where in my code an exception was generated.
...
Git branching: master vs. origin/master vs. remotes/origin/master
I think I'm on the right track to understand the basic concepts of git.
7 Answers
7
...
How can I add a help method to a shell script?
..."$0") [-h] [-s n] -- program to calculate the answer to life, the universe and everything
where:
-h show this help text
-s set the seed value (default: 42)"
seed=42
while getopts ':hs:' option; do
case "$option" in
h) echo "$usage"
exit
;;
s) seed=$OPTARG
;...
Number of occurrences of a character in a string [duplicate]
...dibly expensive, if the string is large. Worst case if the string is large and (almost) entirely made up of repeated delimiters (&), it could allocate 12-24x the original size of the string due to object overheads in .Net. I would go with the second approach, and if that's not fast enough then w...
How do I create a custom iOS view class and instantiate multiple copies of it (in IB)?
...mer in IB simply drag out a UIView drop it on your view controller's view, and set it's class to your timer's class name.
Remember to #import your timer class in your view controller.
Edit: for IB design (for code instantiation see revision history)
I'm not very familiar at all with storyboard,...
Objective-C: difference between id and void *
What is the difference between id and void * ?
7 Answers
7
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How do exceptions work (behind the scenes) in c++
...ptions work behind the scenes, so I can make decisions of when to use them and whether they are slow.
7 Answers
...
When use getOne and findOne methods Spring Data JPA
...ing a method on it is required.
findOne()/findById() is really more clear and simple to use than getOne().
So in the very most of cases, favor findOne()/findById() over getOne().
API Change
From at least, the 2.0 version, Spring-Data-Jpa modified findOne().
Previously, it was defined in the Cru...