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Using -performSelector: vs. just calling the method
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Basically performSelector allows you to dynamically determine which selector to call a selector on the given object. In other words the selector need not be determined before runtime.
Thus even though these are equivalent:
[a...
The Use of Multiple JFrames: Good or Bad Practice? [closed]
...ween no component and visible component.
JInternalFrame/JDesktopPane typically used for an MDI.
JTabbedPane for groups of components.
JSplitPane A way to display two components of which the importance between one or the other (the size) varies according to what the user is doing.
JLayeredPane far m...
How does strtok() split the string into tokens in C?
... string into tokens. I am unable to understand from the manual what it actually does.
15 Answers
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Defeating a Poker Bot
There is a new Open Source poker bot called PokerPirate . I am interested in any creative ways in which a web application could detect/thwart/defeat a poker bot. (This is a purely academic discussion, in the same spirit that PokerPirate was written.)
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Removing pip's cache?
I need to install psycopg2 v2.4.1 specifically. I accidentally did:
17 Answers
17
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mongodb/mongoose findMany - find all documents with IDs listed in array
I have an array of _ids and I want to get all docs accordingly, what's the best way to do it ?
5 Answers
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Unable to show a Git tree in terminal
...et the tree-like view of commits in terminal?
git log --graph --oneline --all
is a good start.
You may get some strange letters. They are ASCII codes for colors and structure. To solve this problem add the following to your .bashrc:
export LESS="-R"
such that you do not need use Tig's ASCII f...
Representational state transfer (REST) and Simple Object Access Protocol (SOAP)
...e Object Access Protocol"
SOAP is a method of transferring messages, or small amounts of information, over the Internet. SOAP messages are formatted in XML and are typically sent using HTTP (hypertext transfer protocol).
Rest - Representational state transfer
Rest is a simple way of sending and...
Which is preferred: Nullable.HasValue or Nullable != null?
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The compiler replaces null comparisons with a call to HasValue, so there is no real difference. Just do whichever is more readable/makes more sense to you and your colleagues.
share
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How can I pipe stderr, and not stdout?
...1 >/dev/null | grep 'something'
For the details of I/O redirection in all its variety, see the chapter on Redirections in the Bash reference manual.
Note that the sequence of I/O redirections is interpreted left-to-right, but pipes are set up before the I/O redirections are interpreted. File ...