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Designing function f(f(n)) == -n
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@a1kmm: Sorry, -2³² above should have been -2³¹. Anyway, the case where f(0)≠0 (and so f(0)=-2³¹) is actually the easier case, as we showed these two are disconnected from the rest. The other case we need to consider is that f(0)=0, but...
How to “set a breakpoint in malloc_error_break to debug”
I'm getting lots of console outputs like this without my application crashing:
5 Answers
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Why can't a text column have a default value in MySQL?
...r platforms it is often a warning. While not a bug, it's possible to get trapped by this if you write code on a lenient platform, and later run it on a strict platform:
Personally, I do view this as a bug. Searching for "BLOB/TEXT column can't have a default value" returns about 2,940 results on ...
How can I get the full/absolute URL (with domain) in Django?
...ed as: def reverse(viewname, urlconf=None, args=None, kwargs=None, current_app=None)
– matias elgart
Jan 31 '19 at 3:26
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Focus-follows-mouse (plus auto-raise) on Mac OS X
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You can do it for Terminal.app by issuing the following command at the command line:
defaults write com.apple.Terminal FocusFollowsMouse -bool true
For X11 apps you can do this:
defaults write com.apple.x11 wm_ffm -bool true
In Snow Leopard, use ...
How to format a Java string with leading zero?
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In case you have to do it without the help of a library:
("00000000" + "Apple").substring("Apple".length())
(Works, as long as your String isn't longer than 8 chars.)
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Android WebView: handling orientation changes
...anifest:
<activity android:name="..."
android:label="@string/appName"
android:configChanges="orientation|screenSize"
for more info see:
http://developer.android.com/guide/topics/resources/runtime-changes.html#HandlingTheChange
https://developer.android.com/reference/androi...
Controlling maven final name of jar artifact
... specify the "finalName" at the command line? (-Djar.finalName=x) does not appear to work.
– jayunit100
Jul 31 '13 at 19:27
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Convert all first letter to upper case, rest lower for each word
I have a string of text (about 5-6 words mostly) that I need to convert.
11 Answers
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How to initialize std::vector from C-style array?
...it bring to the already existing answers?
– Jean-François Fabre♦
Sep 11 '18 at 14:31
@Jean-FrançoisFabre and what ...