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What are all the different ways to create an object in Java?
Had a conversation with a coworker the other day about this.
22 Answers
22
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How to check if a file exists in Documents folder?
I have an application with In-App Purchase, that when the user buy something, download one html file into the Documents folder of my app.
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How to tell if browser/tab is active [duplicate]
... the current page is in the foreground, i.e. the user hasn't minimized the browser or switched to another tab. It serves no purpose if the user isn't looking at it and is potentially CPU-intensive, so I don't want to just waste cycles in the background.
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Get program execution time in the shell
...o execute something in a linux shell under a few different conditions, and be able to output the execution time of each execution.
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Custom exception type
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From WebReference:
throw {
name: "System Error",
level: "Show Stopper",
message: "Error detected. Please contact the system administrator.",
htmlMessage: "Error detected. Please contact the <a href=\...
rsync error: failed to set times on “/foo/bar”: Operation not permitted
...ing a confusing error from rsync and the initial things I'm finding from web searches (as well as all the usual chmod'ing) are not solving it:
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How to use OpenFileDialog to select a folder?
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Basically you need the FolderBrowserDialog class:
Prompts the user to select a folder. This class cannot be inherited.
Example:
using(var fbd = new FolderBrowserDialog())
{
DialogResult result = fbd.ShowDialog();
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How to copy a directory structure but only include certain files (using windows batch files)
As the title says, how can I recursively copy a directory structure but only include some files. E.g given the following directory structure:
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Extract filename and extension in Bash
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First, get file name without the path:
filename=$(basename -- "$fullfile")
extension="${filename##*.}"
filename="${filename%.*}"
Alternatively, you can focus on the last '/' of the path instead of the '.' which should work even if you have unpredictable file extensions:
f...
How to uncommit my last commit in Git [duplicate]
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If you aren't totally sure what you mean by "uncommit" and don't know if you want to use git reset, please see "Revert to a previous Git commit".
If you're trying to understand git reset better, please see "Can you explain what "git reset" does in plain English?".
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