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How to get the last character of a string in a shell?
...1}"
Otherwise, bash expands the variable and in this case does globbing before printing out. It is also better to quote the parameter to the script (in case you have a matching filename):
sh lash_ch.sh 'abcde*'
Also see the order of expansions in the bash reference manual. Variables are expanded b...
What does the caret operator (^) in Python do?
... invokes the __xor__() or __rxor__() method of the object as needed, which for integer types does a bitwise exclusive-or.
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'await' works, but calling task.Result hangs/deadlocks
...r: At some point, something has to be managed synchronously. - not at all. For UI apps, the entrypoint can be an async void event handler. For server apps, the entrypoint can be an async Task<T> action. It is preferable to use async for both to avoid blocking threads. You can have your NUnit t...
How can I scan barcodes on iOS?
...
We produced the 'Barcodes' application for the iPhone. It can decode QR Codes. The source code is available from the zxing project; specifically, you want to take a look at the iPhone client and the partial C++ port of the core library. The port is a little old, f...
iTextSharp - Sending in-memory pdf in an email attachment
...orrectly, this solved a similar problem in a previous project.
See http://forums.asp.net/t/1093198.aspx
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How do you move a file?
I'm using TortoiseSVN against the SourceForge SVN repository. I'd like to move a file from one folder to another in order to maintain its revision history. Is this possible? If so, how do you do it?
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How can I get the sha1 hash of a string in node.js?
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Obligatory: SHA1 is broken, you can compute SHA1 collisions for 45,000 USD. You should use sha256:
var getSHA256ofJSON = function(input){
return crypto.createHash('sha256').update(JSON.stringify(input)).digest('hex')
}
To answer your question and make a SHA1 hash:
const INSEC...
Get decimal portion of a number with JavaScript
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var decimal = n - Math.floor(n)
Although this won't work for minus numbers so we might have to do
n = Math.abs(n); // Change to positive
var decimal = n - Math.floor(n)
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Java synchronized static methods: lock on object or class
...class. The locking is essentially the same as locking on the Object.class for each synchronized method.
– Steven
Oct 16 '12 at 23:36
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The apk must be signed with the same certificates as the previous version
...othing. Read the documentation: Publishing Updates on Android Market
Before uploading the updated application, be sure that you have incremented the android:versionCode and android:versionName attributes in the element of the manifest file. Also, the package name must be the same and the .apk m...