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PDO mysql: How to know if insert was successful
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PDOStatement->execute() returns true on success. There is also PDOStatement->errorCode() which you can check for errors.
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Redo merge of just a single file
I'm in the middle of a large merge, and I've used git mergetool to resolve all the conflicts, but I have not committed yet, as I wanted to make sure the merge was ok first.
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How to add 'ON DELETE CASCADE' in ALTER TABLE statement
...ng constraint. You will have to drop and re-create the constraint. The documentation shows that the MODIFY CONSTRAINT clause can only modify the state of a constraint (i-e: ENABLED/DISABLED...).
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Signed versus Unsigned Integers
...eftmost bit as a flag (sign and magnitude), but more common is two's complement. Both are in use in most modern microprocessors — floating point uses sign and magnitude, while integer arithmetic uses two's complement.
signed integers can hold both positive and negative numbers.
Yes
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Read password from stdin
...o: An interactive CLI Python program, that is in need for a password. That means also, there's no GUI solution possible.
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Conveniently Declaring Compile-Time Strings in C++
Being able to create and manipulate strings during compile-time in C++ has several useful applications. Although it is possible to create compile-time strings in C++, the process is very cumbersome, as the string needs to be declared as a variadic sequence of characters, e.g.
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Is there a command line utility for rendering GitHub flavored Markdown?
... a small CLI in Python and added GFM support. It's called Grip (Github Readme Instant Preview).
Install it with:
$ pip install grip
And to use it, simply:
$ grip
Then visit localhost:5000 to view the readme.md file at that location.
You can also specify your own file:
$ grip CHANGES.md
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What 'additional configuration' is necessary to reference a .NET 2.0 mixed mode assembly in a .NET 4
I have a project in which I'd like to use some of the .NET 4.0 features but a core requirement is that I can use the System.Data.SQLite framework which is compiled against 2.X. I see mention of this being possible such as the accepted answer here but I don't see how to actually achieve this.
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text-overflow:ellipsis in Firefox 4? (and FF5)
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Spudley, you could achieve the same thing by writing a small JavaScript using jQuery:
var limit = 50;
var ellipsis = "...";
if( $('#limitedWidthTextBox').val().length > limit) {
// -4 to include the ellipsis size and also since it is an index
var t...
How to cherry-pick multiple commits
...ick A..B
(Credit goes to damian, J. B. Rainsberger and sschaef in the comments)
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