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Retrieve database or any other file from the Internal Storage using run-as
On a non-rooted android device, I can navigate to the data folder containing the database using the run-as command with my package name. Most files types I am content with just viewing, but with the database I would like to pull if from the android device.
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Multiple Indexes vs Multi-Column Indexes
I've just been adding an Index to a table in SQL Server 2005 and it got me thinking. What is the difference between creating 1 index and defining multiple columns over having 1 index per column you want to index.
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How do I recover/resynchronise after someone pushes a rebase or a reset to a published branch?
...he bookmark of course, if you look up the pre-rebase origin/foo commit ID, and use that.
This is also how you deal with the situation where you forgot to make a bookmark before fetching. Nothing is lost – you just need to check the reflog for the remote branch:
git reflog show origin/foo | awk '...
Confused about stdin, stdout and stderr?
I am rather confused with the purpose of these three files. If my understanding is correct, stdin is the file in which a program writes into its requests to run a task in the process, stdout is the file into which the kernel writes its output and the process requesting it accesses the informatio...
Return index of greatest value in an array
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This is probably the best way, since it’s reliable and works on old browsers:
function indexOfMax(arr) {
if (arr.length === 0) {
return -1;
}
var max = arr[0];
var maxIndex = 0;
for (var i = 1; i < arr.length; i++) {
if (arr[i] > m...
How do I import the javax.servlet API in my Eclipse project?
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Ensure you've the right Eclipse and Server
Ensure that you're using at least Eclipse IDE for Enterprise Java developers (with the Enterprise). It contains development tools to create dynamic web projects and easily integrate servletcontainers (those tools a...
Change project name on Android Studio
I want to change the name of my project and module. But if I try to rename them Android Studio notify me some errors...
e.g. I want to change the name from "MyApplication" to "AndroidApp" as shown in the image below.
In the first rectangle I want to change it in:
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Iterating over every two elements in a list
...+ y)
In Python 3, you can replace izip with the built-in zip() function, and drop the import.
All credit to martineau for his answer to my question, I have found this to be very efficient as it only iterates once over the list and does not create any unnecessary lists in the process.
N.B: This ...
How can I mix LaTeX in with Markdown? [closed]
I've been using Markdown for class notes, and it's great. I even do some preprocessing on the Markdown so I can do things like tables. But this term I'm teaching a class with a lot of math, and I'd love to be able to put LaTeX formulas with Markdown, something like this:
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How to overload std::swap()
std::swap() is used by many std containers (such as std::list and std::vector ) during sorting and even assignment.
4 A...