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php var_dump() vs print_r()
...rinted by print_r is much more in readable format where as var_dump prints raw values.
print_r function can be used in many contexts where as var_dump can be used in debugging purposes mainly since it can't return value.
sh...
Python module os.chmod(file, 664) does not change the permission to rw-rw-r— but -w--wx----
...if you had used the more semantically named permission symbols rather than raw magic numbers, e.g. for 664:
#!/usr/bin/env python3
import os
import stat
os.chmod(
'myfile',
stat.S_IRUSR |
stat.S_IWUSR |
stat.S_IRGRP |
stat.S_IWGRP |
stat.S_IROTH
)
This is documented at h...
Is SecureRandom thread safe?
... next random number be relied on to be thread safe? Examining the source code seems to show that it is, and this bug report seems to indicate that its lack of documentation as thread safe is a javadoc issue. Has anyone confirmed that it is in fact thread safe?
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Bootstrap css hides portion of container below navbar navbar-fixed-top
...iner below the Nav-top.My issue is that some portion of my container is hidden below the nav-top header.I dont want to use top-margin with container. Pls see below html in which im facing the issue
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How to import local packages without gopath
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Can I escape html special chars in javascript?
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@jamix You can not do a global replacement with raw strings, while modern browser engines optimize simple regular expression pretty good.
– bjornd
May 30 '14 at 15:43
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Why doesn't Ruby support i++ or i-- (increment/decrement operators)?
The pre/post increment/decrement operator ( ++ and -- ) are pretty standard programing language syntax (for procedural and object-oriented languages, at least).
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How can I display just a portion of an image in HTML/CSS?
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What is the fundamental difference between WebSockets and pure TCP?
...easier to send messages over the wire via the Application Layer instead of raw bytes at the Transport Layer.
Underlying WebSockets is TCP, it's just abstracted away for simplicity.
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