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How do I break out of a loop in Perl?
...nd assuming you were just feeding given some scalar variable... but why do all that work just to use a break, it is (very) bad form, not to mention (blah!)just saying, its "possible" just not a good idea & not what you may think it is
– osirisgothra
Sep 1 '...
Git submodule inside of a submodule (nested submodules)
...e git submodule update --init --recursive command, introduced in commit b13fd5c, again in git1.6.5, by Johan Herland (jherland).
And IceFire adds in the comments:
If you would like to checkout only one submodule of a submodule, then
git submodule update --init <submoduleName> is the way...
Static variables in member functions
...
Since class A is a non-template class and A::foo() is a non-template function. There will be only one copy of static int i inside the program.
Any instance of A object will affect the same i and lifetime of i will remain through out the program. To add an example:
A o...
Python: finding an element in a list [duplicate]
...ct attributes (which I need a lot):
el = [x for x in mylist if x.attr == "foo"][0]
Of course this assumes the existence (and, actually, uniqueness) of a suitable element in the list.
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How to show git log history for a sub directory of a git repo?
...ne -- src/nvfs
d6f6b3b Changes for Mac OS X
803fcc3 Initial Commit
# Show all changes (one additional commit besides in src/nvfs).
$ git log --oneline
d6f6b3b Changes for Mac OS X
96cbb79 gitignore
803fcc3 Initial Commit
s...
How to use JUnit to test asynchronous processes
... run synchronously.
So suppose I'm trying to test the asynchronous method Foo#doAsync(Callback c),
class Foo {
private final Executor executor;
public Foo(Executor executor) {
this.executor = executor;
}
public void doAsync(Callback c) {
executor.execute(new Runnable() {
@O...
Temporarily disable auto_now / auto_now_add
...e I did the trick by using a queryset update. Like this:
# my model
class FooBar(models.Model):
title = models.CharField(max_length=255)
updated_at = models.DateTimeField(auto_now=True, auto_now_add=True)
# my tests
foo = FooBar.objects.get(pk=1)
# force a timestamp
lastweek = datetime....
How to HTML encode/escape a string? Is there a built-in?
...ethods to encode and decode HTML as well as URLs.
CGI::escapeHTML('Usage: foo "bar" <baz>')
# => "Usage: foo &quot;bar&quot; &lt;baz&gt;"
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Build an iOS app without owning a mac? [closed]
...fter login developer account you can download Xcode IDE's .dmg file
That's all.
Now you just install Xcode and start developing iOS apps and test/debug with Simulator..
2. iPhone/iPad (iOS) app development and Publish to iTunes Store
for publishing your app on iTunes store you need to pay (examp...
Iterate through object properties
... check:
for (var prop in obj) {
if (Object.prototype.hasOwnProperty.call(obj, prop)) {
// do stuff
}
}
It's necessary because an object's prototype contains additional properties for the object which are technically part of the object. These additional properties are inherited fr...