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Printing hexadecimal characters in C
... case), your chars are being promoted to int via sign-extension.
Since c0 and 80 have a leading 1-bit (and are negative as an 8-bit integer), they are being sign-extended while the others in your sample don't.
char int
c0 -> ffffffc0
80 -> ffffff80
61 -> 00000061
Here's a solution:
...
MongoDB logging all queries
...d parameter to -1, like db.setProfilingLevel(2,-1)
– andresigualada
Apr 12 '16 at 10:42
4
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How do I split a string on a delimiter in Bash?
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You can set the internal field separator (IFS) variable, and then let it parse into an array. When this happens in a command, then the assignment to IFS only takes place to that single command's environment (to read ). It then parses the input according to the IFS variable value in...
Default implementation for Object.GetHashCode()
How does the default implementation for GetHashCode() work? And does it handle structures, classes, arrays, etc. efficiently and well enough?
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jQuery scroll to element
...de from the article Smoothly scroll to an element without a jQuery plugin. And I have tested it on the example below.
<html>
<script src="https://ajax.googleapis.com/ajax/libs/jquery/1.5.1/jquery.min.js"></script>
<script>
$(document).ready(function ()...
Display a tooltip over a button using Windows Forms
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The ToolTip is a single WinForms control that handles displaying tool tips for multiple elements on a single form.
Say your button is called MyButton.
Add a ToolTip control (under Common
Controls in the Windows Forms
toolbox) to your form.
Give it a
name - say MyToolTip
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Create web service proxy in Visual Studio from a WSDL file
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Try using WSDL.exe and then including the generated file (.cs) into your project.
Fire up the Visual Studio Command prompt (under visual studio/tools in the start menu) then type
>wsdl.exe [path To Your WSDL File]
That'll spit out a file...
Removing multiple keys from a dictionary safely
... it might be more efficient to use for key in set(the_dict) & entries: and bypass the key in dict test.
– DylanYoung
Apr 15 at 15:30
add a comment
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Why should C++ programmers minimize use of 'new'?
...on Memory leak with std::string when using std::list<std::string> , and one of the comments says this:
18 Answers
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Deserializing a JSON into a JavaScript object
...om json.org:
The eval function is very fast.
However, it can compile and execute any JavaScript program,
so there can be security issues.
The use of eval is indicated when the source is trusted and competent.
It is much safer to use a JSON parser.
In web applications over XMLHttpReques...