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How to run a shell script on a Unix console or Mac terminal?
... Then, the script is passed to the program (as second argument) along with all the arguments you gave the script as subsequent arguments.
That means every script that is executable should have a hashbang. If it doesn't, you're not telling the kernel what it is, and therefore the kernel doesn't kno...
C# using streams
...ransfer data. There is a generic stream class System.IO.Stream, from which all other stream classes in .NET are derived. The Stream class deals with bytes.
The concrete stream classes are used to deal with other types of data than bytes. For example:
The FileStream class is used when the outside ...
Not able to access adb in OS X through Terminal, “command not found”
I have installed Android SDK and Eclipse on my Mac system. I am able to program using Eclipse and have created few sample applications. But I am still not able to access adb through the terminal window. I have tried following command in terminal:
...
How to generate the “create table” sql statement for an existing table in postgreSQL
...ql that postgres uses to generate
the describe table statement:
-- List all tables in the schema (my example schema name is public)
\dt public.*
-- Choose a table name from above
-- For create table of one public.tablename
\d+ public.tablename
Based on the sql echoed out after running these d...
Convert RGBA PNG to RGB with PIL
...thod is required for the split method. And that's awesome to hear it's actually fast /and/ simple!
– Yuji 'Tomita' Tomita
Feb 27 '12 at 18:16
...
How do I escape spaces in path for scp copy in Linux?
...
Basically you need to escape it twice, because it's escaped locally and then on the remote end.
There are a couple of options you can do (in bash):
scp user@example.com:"'web/tmp/Master File 18 10 13.xls'" .
scp user@example.com...
How to set environment variables from within package.json
...
Just use NPM package cross-env. Super easy. Works on Windows, Linux, and all environments. Notice that you don't use && to move to the next task. You just set the env and then start the next task. Credit to @mikekidder for the suggestion in one of the comments here.
From documentation:
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How exactly does the android:onClick XML attribute differ from setOnClickListener?
...-->
In the background, Android does nothing else than the Java code, calling your method on a click event.
Note that with the XML above, Android will look for the onClick method myFancyMethod() only in the current Activity. This is important to remember if you are using fragments, since even i...
Is there a concurrent List in Java's JDK?
...t work well as shown here. I have exceptions even though I just use its addAll method and read it using stream. stackoverflow.com/questions/1527519/…
– devssh
Mar 26 '18 at 10:01
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What is a smart pointer and when should I use one?
...of the object being pointed to. There is no single smart pointer type, but all of them try to abstract a raw pointer in a practical way.
Smart pointers should be preferred over raw pointers. If you feel you need to use pointers (first consider if you really do), you would normally want to use a sma...