Questions

pip installs packages successfully, but executables not found from command line

I am working on mac OS X Yosemite, version 10.10.3. I installed python2.7 and pip using macport as done in [http://johnlaudun.org/20150512-installing-and-setting-pip-with-macports/](http://johnlaudu...

19 Nov at 17:6

Starting a shell in the Docker Alpine container

To start an interactive shell for the Ubuntu image we can run: ``` ole@T:~$ docker run -it --rm ubuntu root@1a6721e1fb64:/# ls bin boot dev etc home lib lib64 media mnt opt proc root run ...

7 Aug at 12:29

Purpose of installing Twitter Bootstrap through npm?

Question 1: What exactly is the purpose of installing Twitter Bootstrap through npm? I thought npm was meant for server side modules. Is it faster to serve the bootstrap files yourself than using a C...

Is SecureString ever practical in a C# application?

Feel free to correct me if my assumptions are wrong here, but let me explain why I'm asking. Taken from MSDN, a `SecureString`: > Represents text that should be kept confidential. The text is encryp...

28 May at 08:26

App can't be opened because it is from an unidentified developer

I installed Mac OS X Mavericks (10.9) yesterday and since then I am not able to start my Eclipse. I am attaching a screenshot of the message I see. Is there a workaround for this? ![Enter image desc...

19 Jul at 21:25

Select rows which are not present in other table

I've got two postgresql tables: ``` table name column names ----------- ------------------------ login_log ip | etc. ip_location ip | location | hostname | etc. ``` I want to get e...

4 Jan at 16:59

Android Studio: Module won't show up in "Edit Configuration"

I've imported a project to Android Studio with several subprojects. I want to run a subproject. I successfully made this subproject's build.gradle as a module. In order to run it, I went to Run ...

23 May at 05:4

How to increase maximum execution time in php

I want to increase in php , not by changing `php.ini` file. I want to Increase it from my php file. Is this possible?

28 Aug at 14:0

How to "crop" a rectangular image into a square with CSS?

I know that it is impossible to actually modify an image with CSS, which is why I put crop in quotes. What I'd like to do is take rectangular images and use CSS to make them appear square without di...

1 Feb at 06:15

Get selected option text with JavaScript

I have a dropdown list like this: ``` <select id="box1"> <option value="98">dog</option> <option value="7122">cat</option> <option value="142">bird</option> </select> ``` How can I get the actual o...

10 Jun at 11:0

NPM global install "cannot find module"

I wrote a module which I published to npm a moment ago (https://npmjs.org/package/wisp) So it installs fine from the command line: `$ npm i -g wisp` However, when I run it from the command line, I ...

26 Sep at 07:44

Concatenate a NumPy array to another NumPy array

I have a numpy_array. Something like `[ a b c ]`. And then I want to concatenate it with another NumPy array (just like we create a list of lists). How do we create a NumPy array containing NumPy arra...

28 Oct at 01:4

In-place edits with sed on OS X

I'd like edit a file with sed on OS X. I'm using the following command: ``` sed 's/oldword/newword/' file.txt ``` The output is sent to the terminal. is not modified. The changes are saved to ...

20 Apr at 12:22

Checking if jquery is loaded using Javascript

I am attempting to check if my Jquery Library is loaded onto my HTML page. I am checking to see if it works, but something is not right. Here is what I have: ``` <html xmlns="http://www.w3.org/1999...

27 Jun at 19:19

Undo a merge by pull request?

Someone accepted a pull request which they shouldn't have. Now we have a bunch of broken code merged in. How do you undo a pull request? I was just going to revert the changes to the commit just befor...

6 Jan at 02:4

Android - Package Name convention

For the "Hello World" example in [android.com](http://developer.android.com/resources/tutorials/hello-world.html), the package name is `"package com.example.helloandroid;"` Is there any guideline/sta...

18 May at 11:19

Phone: numeric keyboard for text input

Is there a way to force the number keyboard to come up on the phone for an `<input type="text">`? I just realized that [<input type="number">](http://www.w3.org/TR/html-markup/input.number.html) in HT...

How to get exit code when using Python subprocess communicate method?

How do I retrieve the exit code when using Python's `subprocess` module and the `communicate()` method? Relevant code: ``` import subprocess as sp data = sp.Popen(openRTSP + opts.split(), stdout=sp....

11 Nov at 20:3

"A lambda expression with a statement body cannot be converted to an expression tree"

In using the , I get the error "`A lambda expression with a statement body cannot be converted to an expression tree`" when trying to compile the following code: ``` Obj[] myArray = objects.Select(o ...

Where is Java's Array indexOf?

I must be missing something very obvious, but I've searched all over and can't find this method.

25 Feb at 00:14

Regex to test if string begins with http:// or https://

I'm trying to set a regexp which will check the start of a string, and if it contains either `http://` or `https://` it should match it. How can I do that? I'm trying the following which isn't workin...

10 Jan at 02:6

Override devise registrations controller

I have added a field to the sign-up form that is based on a different model, see [How do I use nested attributes with the devise model](https://stackoverflow.com/questions/3544265/how-do-i-use-nested-...

23 May at 12:26

Dropping Unique constraint from MySQL table

How can I drop the "Unique Key Constraint" on a column of a MySQL table using phpMyAdmin?

18 Mar at 20:17

How to Set Opacity (Alpha) for View in Android

I have a button as in the following: ``` <Button android:text="Submit" android:id="@+id/Button01" android:layout_width="fill_parent" android:layout_height="wrap_content"> </Bu...

12 Jun at 06:16

C++ equivalent of StringBuffer/StringBuilder?

Is there a C++ Standard Template Library class that provides efficient string concatenation functionality, similar to C#'s [StringBuilder](http://msdn.microsoft.com/en-us/library/system.text.stringbui...

17 Mar at 14:20