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How to alter a column and change the default value?
I got the following error while trying to alter a column's data type and setting a new default value:
7 Answers
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function declaration isn't a prototype
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In C int foo() and int foo(void) are different functions. int foo() accepts an arbitrary number of arguments, while int foo(void) accepts 0 arguments. In C++ they mean the same thing. I suggest that you use void consistently when you mean n...
How to check if a string “StartsWith” another string?
...h.
Once you've shimmed the method (or if you're only supporting browsers and JavaScript engines that already have it), you can use it like this:
"Hello World!".startsWith("He"); // true
var haystack = "Hello world";
var prefix = 'orl';
haystack.startsWith(prefix); // false
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Most efficient way to concatenate strings in JavaScript?
In JavaScript, I have a loop that has many iterations, and in each iteration, I am creating a huge string with many += operators. Is there a more efficient way to create a string? I was thinking about creating a dynamic array where I keep adding strings to it and then do a join. Can anyone explain...
Java resource as file
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ClassLoader.getResourceAsStream and Class.getResourceAsStream are definitely the way to go for loading the resource data. However, I don't believe there's any way of "listing" the contents of an element of the classpath.
In some cases this may be simply im...
mysqli_fetch_assoc() expects parameter / Call to a member function bind_param() errors. How to get t
... reason. Unfortunately, by default such errors are not transferred to PHP, and all you've got is a cryptic error message mentioned above. Hence it is very important to configure PHP and MySQLi to report MySQL errors to you. And once you get the error message, fixing it will be a piece of cake.
How...
How to install ia32-libs in Ubuntu 14.04 LTS (Trusty Tahr)
...ommend you to remove the ia32-libs-raring.list in /etc/apt/sources.list.d, and do sudo apt-get update.
If you want to fix the dependency of Android SDK, you can try this bellow:
sudo apt-get install -y libc6-i386 lib32stdc++6 lib32gcc1 lib32ncurses5 lib32z1
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Iterate all files in a directory using a 'for' loop
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This lists all the files (and only the files) in the current directory:
for /r %i in (*) do echo %i
Also if you run that command in a batch file you need to double the % signs.
for /r %%i in (*) do echo %%i
(thanks @agnul)
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Split a string by spaces — preserving quoted substrings — in Python
... Wow, impressive. You posted at the exact same time as @Jerub. And 2 minutes after the question!
– xaviersjs
Jul 10 at 17:04
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What does Bump Version stand for?
...hnical consideration I have about version bump (only in the context of sbt and Maven projects) is that development should only happen with -SNAPSHOT versions. This also helps avoid two people bumping the version unaware of each other. 1. bump from -SNAPSHOT to a release (with same version number). 2...