ImageMagick security policy 'PDF' blocking conversion
The Imagemagick security policy seems to be not allowing me perform this conversion from pdf to png. Converting other extensions seem to be working, just not from pdf. I haven't changed any of the ima...
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- 2 Nov at 14:39
How to reset Postgres' primary key sequence when it falls out of sync?
I ran into the problem that my primary key sequence is not in sync with my table rows. That is, when I insert a new row I get a duplicate key error because the sequence implied in the serial datatyp...
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- 20 Aug at 02:1
What does on_delete do on Django models?
I'm quite familiar with Django, but I recently noticed there exists an `on_delete=models.CASCADE` option with the models. I have searched for the documentation for the same, but I couldn't find anythi...
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- 26 May at 10:15
Error in launching AVD with AMD processor
I have Windows 8.1 pro with an AMD processor. I installed the Android SDK and Eclipse. It works but the problem is that when I Create AVD and launch it shows this error: > emulator: ERROR: x86 emulat...
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- 31 Mar at 13:2
Correct way to try/except using Python requests module?
``` try: r = requests.get(url, params={'s': thing}) except requests.ConnectionError, e: print(e) ``` Is this correct? Is there a better way to structure this? Will this cover all my bases?
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- 21 Aug at 15:30
Cannot use object of type stdClass as array?
I get a strange error using `json_decode()`. It decode correctly the data (I saw it using `print_r`), but when I try to access to info inside the array I get: ``` Fatal error: Cannot use object of ty...
What does android:layout_weight mean?
I don't understand how to use this attribute. Can anyone tell me more about it?
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- 3 Jan at 18:52
What is "not assignable to parameter of type never" error in TypeScript?
Code is: ``` const foo = (foo: string) => { const result = [] result.push(foo) } ``` I get the following TS error: > [ts] Argument of type 'string' is not assignable to parameter of type 'neve...
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- 25 Dec at 14:41
img src SVG changing the styles with CSS
``` <img src="logo.svg" alt="Logo" class="logo-img"> ``` ``` .logo-img path { fill: #000; } ``` The above svg loads and is natively `fill: #fff` but when I use the above `css` to try change ...
How to `git pull` while ignoring local changes?
Is there a way to do a `git pull` that ignores any local file changes without blowing the directory away and having to perform a `git clone`?
Vue.js - How to properly watch for nested data
I'm trying to understand how to properly watch for some prop variation. I have a parent component (.vue files) that receive data from an ajax call, put the data inside an object and use it to render ...
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- 3 Dec at 01:43
How can I stash only staged changes in Git?
Is there a way I can stash just my staged changes? The scenario I'm having issues with is when I've worked on several bugs at a given time, and have several unstaged changes. I'd like to be able to st...
Adding a directory to the PATH environment variable in Windows
I am trying to add `C:\xampp\php` to my system `PATH` environment variable in Windows. I have already added it using the dialog box. But when I type into my console: ``` C:\>path ``` it doesn't show...
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- 27 Jun at 16:45
Difference between DOM parentNode and parentElement
Can somebody explain in simple terms, what is the difference between classical DOM [parentNode](https://developer.mozilla.org/en-US/docs/Web/API/Node/parentNode) and newly introduced in Firefox 9 [par...
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- 12 Nov at 10:23
indexOf method in an object array?
How can I simply and directly find the index within an array of objects meeting some condition? For example, given this input: ``` var hello = { hello: 'world', foo: 'bar' }; var qaz = { h...
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- 12 Jan at 21:24
How can I check if a string represents an int, without using try/except?
Is there any way to tell whether a represents an integer (e.g., `'3'`, `'-17'` but not `'3.14'` or `'asfasfas'`) Without using a try/except mechanism? ``` is_int('3.14') == False is_int('-7') == Tr...
How can you program if you're blind?
Sight is one of the senses most programmers take for granted. Most programmers would spend hours looking at a computer monitor (especially during times when they are ), but I know there are blind prog...
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- 29 Mar at 20:12
What is Turing Complete?
What does the expression "Turing Complete" mean? Can you give a simple explanation, without going into too many theoretical details?
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- 25 Jan at 07:25
When to use CouchDB over MongoDB and vice versa
I am stuck between these two NoSQL databases. In my project, I will be creating a database within a database. For example, I need a solution to create dynamic tables. So users can create tables with c...
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- 25 Jan at 08:0
HTML Input="file" Accept Attribute File Type (CSV)
I have a file upload object on my page: ``` <input type="file" ID="fileSelect" /> ``` with the following excel files on my desktop: > 1. file1.xlsx 2. file1.xls 3. file.csv I want the file upload ...
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- 20 Jun at 09:12
Adding values to a C# array
Probably a really simple one this - I'm starting out with C# and need to add values to an array, for example: ``` int[] terms; for(int runs = 0; runs < 400; runs++) { terms[] = runs; } ``` For...
How should I deal with "package 'xxx' is not available (for R version x.y.z)" warning?
I tried to install a package, using ``` install.packages("foobarbaz") ``` but received the warning ``` Warning message: package 'foobarbaz' is not available (for R version x.y.z) ``` Why doesn't...
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- 3 Mar at 13:43
What is Mocking?
What is Mocking? .
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- 22 Oct at 20:32
How can I get a JavaScript stack trace when I throw an exception?
If I throw a JavaScript exception myself (eg, `throw "AArrggg"`), how can I get the stack trace (in Firebug or otherwise)? Right now I just get the message. : As many people below have posted, it is...
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- 17 Mar at 18:36
How do you do a deep copy of an object in .NET?
I want a true deep copy. In Java, this was easy, but how do you do it in C#?
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- 4 Dec at 06:5