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Catching error codes in a shell pipe
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@n2liquid-GuilhermeVieira Btw, by "different variations", I specifically meant, remove one or both of the set (for 4 different versions total), and see how that affects the output of the last echo.
– hyde
Nov 1 '14 at...
How to check if an email address exists without sending an email?
...erify email addies? I mean aside the fact that these methods are supported by very few servers. Or do they?
– Shahriyar Imanov
Feb 28 '11 at 21:48
7
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Is sizeof(bool) defined in the C++ language standard?
...oes the C++ language standard require sizeof(bool) to always be 1 (for 1 byte), or is this size implementation-defined?
4...
Using multiple arguments for string formatting in Python (e.g., '%s … %s')
...answered Aug 3 '10 at 9:27
Mark ByersMark Byers
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Is it possible to animate scrollTop with jQuery?
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body is used by webkit, html is used by firefox.
– Jory
Apr 1 '14 at 17:15
2
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read subprocess stdout line by line
...lows iterating over both stdout and stderr concurrently, in realtime, line by line
In case you need to get the output stream for both stdout and stderr at the same time, you can use the following function.
The function uses Queues to merge both Popen pipes into a single iterator.
Here we create t...
What is a 'semantic predicate' in ANTLR?
...r
Let's say you have a block of text consisting of only numbers separated by
comma's, ignoring any white spaces. You would like to parse this input making
sure that the numbers are at most 3 digits "long" (at most 999). The following
grammar (Numbers.g) would do such a thing:
grammar Numbers;
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Java 7 language features with Android
...g new Java 7 language features with Android?
I know that Android reads the bytecode that Java spits out and turns it to dex. So I guess my question is can it understand the bytecode of Java 7?
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Insert code into the page context using a content script
...t have to use chrome.* APIs, simply inject all of your JS code in the page by adding a <script> tag as shown below.
Safety warning:
A page may redefine or augment/hook a built-in prototype so your exposed code may fail if the page did it in an incompatible fashion. If you want to make sure you...
Split output of command by columns using Bash?
...one, looks like tr is more lightweight than awk
– flybywire
Oct 27 '09 at 10:50
3
I would tend to...