GCC dump preprocessor defines
Is there a way for gcc/g++ to dump its default preprocessor defines from the command line? I mean things like `__GNUC__`, `__STDC__`, and so on.
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- 23 Dec at 08:8
Test if a variable is a list or tuple
In python, what's the best way to test if a variable contains a list or a tuple? (ie. a collection) Is `isinstance()` as evil as suggested here? [http://www.canonical.org/~kragen/isinstance/](http://...
ASP.NET MVC - Find Absolute Path to the App_Data folder from Controller
What is the correct way to find the absolute path to the App_Data folder from a Controller in an ASP.NET MVC project? I'd like to be able to temporarily work with an .xml file and I don't want to hard...
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- 12 Aug at 21:6
TypeLoadException says 'no implementation', but it is implemented
I've got a very weird bug on our test machine. The error is: `System.TypeLoadException: Method 'SetShort' in type 'DummyItem' from assembly 'ActiveViewers (...)' does not have an implementation.` I ...
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- 3 May at 15:56
Creating a "logical exclusive or" operator in Java
## Observations: Java has a logical AND operator. Java has a logical OR operator. Java has a logical NOT operator. ## Problem: Java has no logical XOR operator, [according to sun](http://jav...
How can I find WPF controls by name or type?
I need to search a WPF control hierarchy for controls that match a given name or type. How can I do this?
Order a MySQL table by two columns
How do I sort a MySQL table by two columns? What I want are articles sorted by highest ratings first, then most recent date. As an example, this would be a sample output (left # is the rating, then t...
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- 15 Apr at 15:58
Difference between break and continue statement
Can anyone tell me the difference between `break` and `continue` statements?
Is there a way to loop through a table variable in TSQL without using a cursor?
Let's say I have the following simple table variable: ``` declare @databases table ( DatabaseID int, Name varchar(15), Server varchar(15) ) -- insert a bunch rows into @...
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- 15 Sep at 07:18
Failed to configure a DataSource: 'url' attribute is not specified and no embedded datasource could be configured
I am working on a example with MongoDB and I have already started the `mongod` server. When I launch my application, I am getting the error below. Any pointers for this issue? ``` ****************...
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- 30 Sep at 15:44
Property 'value' does not exist on type EventTarget in TypeScript
So the following code is in Angular 4 and I can't figure out why it doesn't work the way as expected. Here is a snippet of my handler: ``` onUpdatingServerName(event: Event) { console.log(event); ...
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- 18 Dec at 00:24
How can I write data attributes using Angular?
I feel like I am missing something. When I try to use a `data` `attribute` in my `template`, like this: ``` <ol class="viewer-nav"> <li *ngFor="#section of sections" data-sectionvalue="{{ section....
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- 21 Oct at 04:34
What's the difference between "Request Payload" vs "Form Data" as seen in Chrome dev tools Network tab
I have an old web application I have to support (which I did not write). When I fill out a form and submit then check the "Network" tab in Chrome I see "Request Payload" where I would normally see "F...
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- 16 Apr at 19:16
AngularJS ng-style with a conditional expression
I am handling my issue like this: ``` ng-style="{ width: getTheValue() }" ``` But to avoid having this function on the controller side, I would much prefer to do something like this: ``` ng-style=...
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- 19 Jun at 02:39
Find the files existing in one directory but not in the other
I'm trying to find the files existing in one directory but not in the other, I tried to use this command: ``` diff -q dir1 dir2 ``` The problem with the above command that it finds both the files i...
MySQL Server has gone away when importing large sql file
I tried to import a large sql file through phpMyAdmin...But it kept showing error > 'MySql server has gone away' What to do?
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- 14 Sep at 13:12
Git: "please tell me who you are" error
I have app servers that I bootstrap together using Chef + some ad-hoc bash scripts. The problem is, when I want to run an update on one of these app servers, I get: ``` 19:00:28: *** Please tell me w...
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- 25 Jul at 19:4
Pass a string parameter in an onclick function
I would like to pass a parameter (i.e. a string) to an Onclick function. For the moment, I do this: ``` '<input type="button" onClick="gotoNode(' + result.name + ')" />' ``` with result.name for exam...
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- 8 Oct at 22:28
How can we programmatically detect which iOS version is device running on?
I want to check if the user is running the app on iOS less than 5.0 and display a label in the app. How do I detect which iOS is running on user's device programmatically? Thanks!
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- 21 Oct at 11:30
How do I change the default location for Git Bash on Windows?
I am using Git on Windows 7 and access my repositories through Git Bash. How can I change the default location that Git Bash opens in a convenient folder when I start it? It's somewhat time consuming...
LINQ with groupby and count
This is pretty simple but I'm at a loss: Given this type of data set: ``` UserInfo(name, metric, day, other_metric) ``` and this sample data set: ``` joe 1 01/01/2011 5 jane 0 01/02/2011 9 john 2 01...
Replace one character with another in Bash
I need to replace a space (``) with a dot (`.`) in a string in bash. I think this would be pretty simple, but I'm new so I can't figure out how to modify a similar example for this use.
JavaScript: Upload file
Let's say I have this element on the page: ``` <input id="image-file" type="file" /> ``` This will create a button that allows the users of the web page to select a file via an OS "File open..." di...
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- 7 Apr at 21:36
How to log cron jobs?
I want to know how I can see exactly what the cron jobs are doing on each execution. Where are the log files located? Or can I send the output to my email? I have set the email address to send the log...
Sort hash by key, return hash in Ruby
Would this be the best way to sort a hash and return Hash object (instead of Array): ``` h = {"a"=>1, "c"=>3, "b"=>2, "d"=>4} # => {"a"=>1, "c"=>3, "b"=>2, "d"=>4} Hash[h.sort] # => {"a"=>1, "b"=>2,...