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How to send a simple string between two programs using pipes?
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A regular pipe can only connect two related processes. It is created by a process and will vanish when the last process closes it.
A named pipe, also called a FIFO for its behavior, can be used to connect two unrelated processes and exists independently of the processes; meaning it can exist e...
Java switch statement: Constant expression required, but it IS constant
...en initialized, they are not a compile time constant in the sense required by the JLS; see §15.28 Constant Expressions for the specification of a constant expression1. This refers to §4.12.4 Final Variables which defines a "constant variable" as follows:
We call a variable, of primitive type ...
SQL Server IIF vs CASE
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I like your reasoning. Can you support it by citing some documentation?
– Peter Ivan
Mar 21 '17 at 23:35
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numpy: most efficient frequency counts for unique values in an array
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Seems like the most pythonic approach by far. Also, I encountered issues with "object too deep for desired array" issues with np.bincount on 100k x 100k matrices.
– metasequoia
Mar 12 '14 at 21:02
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@RequestParam vs @PathVariable
...String param2){
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}
The following are the list of parameters supported by the @RequestParam annotation:
defaultValue – This is the default value as a fallback mechanism if request is not having the value or it is empty.
name – Name of the parameter to bind
required – Whether the paramete...
Ruby Bundle Symbol not found: _SSLv2_client_method (LoadError)
... fixed a similar issue on my system. You need to rebuild your install of Ruby 2.1.2 and it will re-link against the newly-updated SSL.
$ rbenv install 2.1.2
rbenv: /Users/ryan/.rbenv/versions/2.1.2 already exists
continue with installation? (y/N) y
Downloading ruby-2.1.2.tar.gz...
-> http://dqw8...
Why is HttpClient BaseAddress not working?
...I spent most of the day trying to fix a problem that was ultimately caused by this oddity of HttpClient.
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How to determine whether a given Linux is 32 bit or 64 bit?
...t capable)
lm ==> 64-bit processor
Or using lshw (as mentioned below by Rolf of Saxony), without sudo (just for grepping the cpu width):
lshw -class cpu|grep "^ width"|uniq|awk '{print $2}'
Note: you can have a 64-bit CPU with a 32-bit kernel installed.
(as ysdx mentions in his/her ow...
What is trunk, branch and tag in Subversion? [duplicate]
...es and /trunk directories is only conventional and not in any way enforced by the tools. Violating these conventions leads to confusion all around, as this breaks habits and expectations of others accessing the repository. Special care must be taken to avoid committing new changes into tags, which s...
How can javascript upload a blob?
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I was able to get @yeeking example to work by not using FormData but using javascript object to transfer the blob. Works with a sound blob created using recorder.js. Tested in Chrome version 32.0.1700.107
function uploadAudio( blob ) {
var reader = new FileReader(...