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Moving Files into a Real Folder in Xcode
...o them to match what you did in step 1.
All the references in Xcode should now be red (that's OK!).
From the Identity and Type manager, select the Group in Xcode that you want to relocate, then click the folder icon from the info pane:
In the Finder selection dialog, locate the equivalent new fol...
How to disallow temporaries
...see Johannes Schaub's Comment and ensuing discussion below: "How can you know that it is source compatible with existing code? His friend includes his header and has void f() { int Foo = 0; } which previously compiled fine and now miscompiles! Also, every line that defines a member function of clas...
Efficient evaluation of a function at every cell of a NumPy array
...
@Peter: Ah, now I see that you have mentioned assigning the result back to the former array in your original question. I'm sorry I missed that when first reading it. Yeah, in that case the double loop must be faster. But have you also tr...
How to set input type date's default value to today?
...
Ruby: (Also) DateTime.now.strftime("%Y-%m-%d")
– Adam Grant
Mar 2 '16 at 5:48
...
Current time in microseconds in java
...ave System.nanoTime(), but that just gives an offset from some previously known time. So whilst you can't take the absolute number from this, you can use it to measure nanosecond (or higher) precision.
Note that the JavaDoc says that whilst this provides nanosecond precision, that doesn't mean nano...
Test if remote TCP port is open from a shell script
... > /dev/tcp/sfsfdfdff.com/80'
bash: sfsfdfdff.com: Name or service not known
bash: /dev/tcp/sfsfdfdff.com/80: Invalid argument
$ echo $?
1
# Connection not established by the timeout
$ timeout 1 bash -c 'cat < /dev/null > /dev/tcp/google.com/81'
$ echo $?
124
What's happening here is tha...
java.util.Date vs java.sql.Date
...ate component as one long and time component as another, for example right now would be 20100221 and 154536123. These magic numbers can be used in SQL queries and will be portable from database to another and will let you avoid this part of JDBC/Java Date API:s entirely.
...
How to run a function when the page is loaded?
...pted some great functions since the release of jQuery. All modern browsers now have their own DOM ready function without the use of a jQuery library.
I'd recommend this if you use native Javascript.
document.addEventListener('DOMContentLoaded', function() {
alert("Ready!");
}, false);
...
Firebug-like debugger for Google Chrome
...specific issues. If I want deeper introspection, I can do it with Firebug. Now with IE8's new developer mode, all the major browsers have builtin dev modes. Good times.
– guns
Apr 27 '09 at 9:32
...
USB Debugging option greyed out
...our phone to your PC, using the USB cable, select the mode as PC Software.
Now you should be able to enable USB Debugging.
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