Center a column using Twitter Bootstrap 3

Center a column using Twitter Bootstrap 3

How do I center a div of one column size within the container (12 columns) in Twitter Bootstrap 3.Please see the starter fiddle.

How to install JDBC driver in Eclipse web project without facing java.lang.ClassNotFoundexception

How to install JDBC driver in Eclipse web project without facing java.lang.ClassNotFoundexception

There is a VERY similar question to mine but in my case I don't have any duplicate jars in my build path, so the solution does not work for me. I've searched google for a couple of hours now, but none of the solutions I've found there actu

What are the calling conventions for UNIX & Linux system calls on i386 and x86-64

What are the calling conventions for UNIX & Linux system calls on i386 and x86-64

Following links explain x86-32 system call conventions for both UNIX (BSD flavor) & Linux:http://www.int80h.org/bsdasm/#system-callshttp://www.freebsd.org/doc/en/books/developers-handbook/x86-system-calls.htmlBut what are the x86-64 system

Variable might not have been initialized error

Variable might not have been initialized error

When i try to compile this: public static Rand searchCount (int[] x) { int a ; int b ; ... for (int l= 0; l

What is the difference between re.search and re.match?

What is the difference between re.search and re.match?

What is the difference between the search() and match() functions in the Python re module?I've read the documentation (current documentation), but I never seem to remember it. I keep having to look it up and re-learn it. I'm hoping that s

Recommended way to save uploaded files in a servlet application

Recommended way to save uploaded files in a servlet application

I read here that one should not save the file in the server anyway as it is not portable, transactional and requires external parameters. However, given that I need a tmp solution for tomcat (7) and that I have (relative) control over the s

URL rewriting with PHP

URL rewriting with PHP

I have a URL that looks like:url.com/picture.php?id=51How would I go about converting that URL to:picture.php/Some-text-goes-here/51I think WordPress does the same.How do I go about making friendly URLs in PHP? 1:You can essentially do t

Retrieving the last record in each group - MySQL

Retrieving the last record in each group - MySQL

There is a table messages that contains data as shown below:Id Name Other_Columns-------------------------1 A A_data_12 A A_data_23 A A_data_34 B B_data_15 B B_data_26 C C_data_1If I

What is this weird colon-member (“ : ”) syntax in the constructor?

What is this weird colon-member (“ : ”) syntax in the constructor?

Recently I've seen an example like the following:#include class Foo {public: int bar; Foo(int num): bar(num) {};};int main(void) { std::cout << Foo(42).bar << std::endl; return 0;}What does this strange : bar(num) mean? It som

Input background colour destroys styling?

Input background colour destroys styling?

I am creating a form which is validated under jQuery Validation. I want to apply a light-red background colour to inputs which are invalid and need to be corrected.When I apply background-color: #FFCCCC; to the input, the attractive stylin

C++ compiler warning - returning local variable

C++ compiler warning - returning local variable

I'm simply trying to overload a + operator and I'm getting this compiler warningreference to local variable 'tmp' returnedHere is the code for the overloadconst Int& Int::operator+(const Int& p) const{ Int tmp = value + p.value; retur

Reading a remote file using Java

Reading a remote file using Java

I am looking for an easy way to get files that are situated on a remote server. For this I created a local ftp server on my Windows XP, and now I am trying to give my test applet the following address:try{ uri = new URI("ftp://localhost/

Java DateFormat parse() doesn't respect the timezone

Java DateFormat parse() doesn't respect the timezone

Calendar cal = Calendar.getInstance(TimeZone.getTimeZone("America/New_York"));DateFormat df = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss Z");df.setTimeZone(TimeZone.getTimeZone("America/New_York"));try { System.out.println(df.format(cal.g

PyDev for Eclipse - Resolve Python dependencies (unresolved imports)

PyDev for Eclipse - Resolve Python dependencies (unresolved imports)

I am using PyDev for Eclipse as my IDE and pip as my package management tool, running virtualenv. Every time I want to use/include some new libraries or new dependencies in my project, I add them into the pip-requires file. The dependencies

Python's hasattr on list values of dictionaries always returns false?

Python's hasattr on list values of dictionaries always returns false?

I have a dictionary that sometimes receives calls for non-existent keys, so I try and use hasattr and getattr to handle these cases:key_string = 'foo'print "current info:", infoprint hasattr(info, key_string)print getattr(info, key_string,

Disable stylecop analysis for specific projects within solution

Disable stylecop analysis for specific projects within solution

Is there a way to easily stop StyleCop warnings from being displayed within specific projects in a solution. Or, more pointedly, a way to select which projects StyleCop analysis should be performed on by Visual Studio? We have a solution wi

Java 8 (pre-release) interface member variables

Java 8 (pre-release) interface member variables

Are public members variables in Java 8 interfaces a feature or an implementation side-effect/defect?This question pertains to the pre-release Java 8 build lambda-8-b50-linux-x64-26_jul_2012.tar.gz.Java 8 introduces new features to interface

Troubles with changing the font size in UITableViewHeaderFooterView

Troubles with changing the font size in UITableViewHeaderFooterView

Here is the problem,I subclass a UITableViewHeaderFooterView and want to change the font size:- (id)initWithFrame:(CGRect)frame{ self = [super initWithFrame:frame]; if (self) { // Initialization code self.textLabel.textC

Optional parameter in cucumber

Optional parameter in cucumber

I have a step definition in which I'd like to have an optional parameter. I believe an example of two calls to this step explains better than anything else what I'm after.I check the favorite color countI check the favorite color count for

Persisting SCSS variables in rails asset pipeline?

Persisting SCSS variables in rails asset pipeline?

I'm upgrading a rails app with lots of SCSS stylesheets to use the asset pipeline, and need to include some global variables and mixins for each file.Adding several @import directives at the top of every file isn't very DRY, so I'd like to

Failing to run jar file from command line: “no main manifest attribute”

Failing to run jar file from command line: “no main manifest attribute”

I am trying to run a jar file from the console:java -jar ScrumTimeCaptureMaintenence.jarAnd am getting the error: Can't execute jar- file: “no main manifest attribute”As you can see I do in fact have a main file and it runs fine from eclip

Auto TimeStamp new entry to DB (phpMyAdmin)

Auto TimeStamp new entry to DB (phpMyAdmin)

If I want each new entry into my db to be automatically timestamped, would I set the Field Type to "timestamp" and have the Default value set to "CURRENT_TIMESTAMP"?Is this the correct method? 1:That is correct. In SQL code that would be

Is it a good idea to call finish() after starting a new Activity in Android?

Is it a good idea to call finish() after starting a new Activity in Android?

Like:startActivity(intent);finish();Without calling finish() explicitly, onDestroy() is not called for the former Activity, and I run out of memory (OutOfMemory Exception).So, is it a good idea to call finish() explicitly to prevent OutOfMe

Change a make variable, and call another rule, from a recipe in same Makefile?

Change a make variable, and call another rule, from a recipe in same Makefile?

I have already seen How to manually call another target from a make target?, but my question is a bit different; consider this example (note, stackoverflow.com changes the tabs to spaces in display; but tabs are preserved in source, if you

Java -classpath option

Java -classpath option

Will the use of -classpath option with java, add to or replace the contents of the CLASSPATH env variable? 1:Using the classpath variable it overrides the CLASSPATH of Environment variable but only for that session. If you restart the ap