Using Python's os.path, how do I go up one directory?
I recently upgrade Django from v1.3.1 to v1.4. In my old `settings.py` I have ``` TEMPLATE_DIRS = ( os.path.join(os.path.dirname( __file__ ), 'templates').replace('\\', '/'), # Put strings ...
PostgreSQL DISTINCT ON with different ORDER BY
I want to run this query: ``` SELECT DISTINCT ON (address_id) purchases.address_id, purchases.* FROM purchases WHERE purchases.product_id = 1 ORDER BY purchases.purchased_at DESC ``` But I get this...
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- 30 May at 12:42
Error "Import Error: No module named numpy" on Windows
I have a very similar question to [this question](https://stackoverflow.com/questions/1517129/python-how-do-i-install-scipy-on-64-bit-windows), but I am still one step behind. I have only one version ...
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- 22 Aug at 15:4
Convert a JavaScript string in dot notation into an object reference
Given a JavaScript object, ``` var obj = { a: { b: '1', c: '2' } } ``` and a string ``` "a.b" ``` how can I convert the string to dot notation so I can go ``` var val = obj.a.b ``` If the string wa...
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- 22 Aug at 15:26
With CSS, use "..." for overflowed block of multi-lines
with ``` overflow: hidden; text-overflow: ellipsis; white-space: nowrap; ``` "..." will be shown in the end of the line if overflowed. However, this will be shown only in one line. But I would like...
ActionBar text color
how can I change the text color of the ActionBar? I've inherited the Holo Light Theme, I'm able to change the background of the ActionBar but I don't find out what is the attribute to tweak to change ...
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- 19 Dec at 13:2
How to capture UIView to UIImage without loss of quality on retina display
My code works fine for normal devices but creates blurry images on retina devices. Does anybody know a solution for my issue? ``` + (UIImage *) imageWithView:(UIView *)view { UIGraphicsBeginImag...
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- 29 Sep at 15:41
Implode an array with JavaScript?
Can I implode an array in jQuery like in PHP?
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- 4 Sep at 11:16
How to make EditText not editable through XML in Android?
Can anyone tell me how to make an `EditText` not editable via XML? I tried setting `android:editable` to `false`, but 1. it is deprecated; and 2. it didn't work.
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- 12 Feb at 23:47
Why doesn't Git ignore my specified file?
I added the following line to `.gitignore`: ``` sites/default/settings.php ``` but when I type `git status` it shows the file as unstaged file. What's the problem? All other patterns work well.
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- 27 Oct at 14:57
How can I pad an int with leading zeros when using cout << operator?
I want `cout` to output an int with leading zeros, so the value `1` would be printed as `001` and the value `25` printed as `025`. How can I do this?
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- 5 Apr at 02:41
What happens when a duplicate key is put into a HashMap?
If I pass the same key multiple times to `HashMap`’s `put` method, what happens to the original value? And what if even the value repeats? I didn’t find any documentation on this. Case 1: Overwritten...
How do malloc() and free() work?
I want to know how `malloc` and `free` work. ``` int main() { unsigned char *p = (unsigned char*)malloc(4*sizeof(unsigned char)); memset(p,0,4); strcpy((char*)p,"abcdabcd"); // **delibera...
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- 13 Apr at 02:42
Cannot simply use PostgreSQL table name ("relation does not exist")
I'm trying to run the following PHP script to do a simple database query: ``` $db_host = "localhost"; $db_name = "showfinder"; $username = "user"; $password = "password"; $dbconn = pg_connect("host=$...
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- 21 Feb at 06:56
Under what conditions is a JSESSIONID created?
When / what are the conditions when a `JSESSIONID` is created? Is it per a domain? For instance, if I have a Tomcat app server, and I deploy multiple web applications, will a different `JSESSIONID` b...
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- 9 May at 13:55
Combining two expressions (Expression<Func<T, bool>>)
I have two expressions of type `Expression<Func<T, bool>>` and I want to take to OR, AND or NOT of these and get a new expression of the same type ``` Expression<Func<T, bool>> expr1; Expression<Func...
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- 27 Jun at 01:4
Why would someone use WHERE 1=1 AND <conditions> in a SQL clause?
Why would someone use `WHERE 1=1 AND <conditions>` in a SQL clause (Either SQL obtained through concatenated strings, either view definition) I've seen somewhere that this would be used to protect ag...
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- 17 Nov at 02:38
Stop and Start a service via batch or cmd file?
How can I script a bat or cmd to stop and start a service reliably with error checking (or let me know that it wasn't successful for whatever reason)?
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- 23 Apr at 19:49
Biggest differences of Thrift vs Protocol Buffers?
What are the biggest pros and cons of [Apache Thrift](http://incubator.apache.org/thrift/) vs [Google's Protocol Buffers](http://code.google.com/apis/protocolbuffers/)?
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- 4 Nov at 00:10
React Native: How to select the next TextInput after pressing the "next" keyboard button?
I defined two TextInput fields as follows: ``` <TextInput style = {styles.titleInput} returnKeyType = {"next"} autoFocus = {true} placeholder = "Title" /> <TextInput style = {styles.d...
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- 23 Sep at 20:17
Git push error pre-receive hook declined
I have run gitlabhq rails server on virtual machine, following 1-6 steps from this tutorial [https://github.com/gitlabhq/gitlab-recipes/blob/master/install/centos/README.md](https://github.com/gitlabh...
Laravel Migration Change to Make a Column Nullable
I created a migration with unsigned `user_id`. How can I edit `user_id` in a new migration to also make it `nullable()`? ``` Schema::create('throttle', function(Blueprint $table) { $table->increm...
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- 16 Sep at 22:26
Scala: join an iterable of strings
How do I "join" an iterable of strings by another string in Scala? ``` val thestrings = Array("a","b","c") val joined = ??? println(joined) ``` I want this code to output `a,b,c` (join the elements...
Issue with adding common code as git submodule: "already exists in the index"
I want to add some git submodules. I've received two projects sharing some common code. The shared code was just copied into the two projects. I created a separate git repo for the common code and rem...
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- 29 Dec at 00:51
Recursive file search using PowerShell
I am searching for a file in all the folders. `Copyforbuild.bat` is available in many places, and I would like to search recursively. ``` $File = "V:\Myfolder\**\*.CopyForbuild.bat" ``` How can I ...
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- 15 Dec at 20:14