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What is the difference between char s[] and char *s?
... More precisely, GCC 4.8 puts it into .rodata, which the linker script then dumps into the same segment as .text. See my answer.
– Ciro Santilli 郝海东冠状病六四事件法轮功
Jun 5 '15 at 7:33
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What is WEB-INF used for in a Java EE web application?
...uld be accessible by using a simple static URL (usefull to load CSS or Javascript for instance).
Your JSP files can be anywhere though from a technical perspective. For instance in Spring you can configure them to be in WEB-INF explicitly:
<bean id="viewResolver" class="org.springframework.web...
What is the (function() { } )() construct in JavaScript?
...n is executed right after it's created, not after it is parsed. The entire script block is parsed before any code in it is executed. Also, parsing code doesn't automatically mean that it's executed, if for example the IIFE is inside a function then it won't be executed until the function is called.
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What's the equivalent of Java's Thread.sleep() in JavaScript? [duplicate]
What's the equivalent of Java's Thread.sleep() in JavaScript?
9 Answers
9
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Understanding exactly when a data.table is a reference to (vs a copy of) another data.table
...od does. When wrapped with invisible() or when called within a function or script, the print method isn't called.
All this applies inside functions too; i.e., := and set() do not copy on write, even within functions. If you need to modify a local copy, then call x=copy(x) at the start of the funct...
What does the ??!??! operator do in C?
...orHasOccurred() && HandleError(); That is, if you're used to shell scripting. :)
– Yam Marcovic
Oct 24 '11 at 15:01
19
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Matplotlib: “Unknown projection '3d'” error
I just installed matplotlib and am trying to run one of there example scripts. However I run into the error detailed below. What am I doing wrong?
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git: How to ignore all present untracked files?
...hort because manual states "Give the output in an easy-to-parse format for scripts. This is similar to the short output, but will remain stable across git versions and regardless of user configuration." So we have both the parseability and stability;
grep '^??' filters only the lines starting with ?...
Do htmlspecialchars and mysql_real_escape_string keep my PHP code safe from injection?
...< or > to do anything dangerous. Our attack vector could just be javascript:alert(document.cookie)
Now resultant HTML looks like
<img src= "javascript:alert(document.cookie)" />
The attack gets straight through.
It gets worse. Why? because htmlspecialchars (when called this way) on...
How can javascript upload a blob?
... actually don't have to use FormData to send a Blob to the server from JavaScript (and a File is also a Blob).
jQuery example:
var file = $('#fileInput').get(0).files.item(0); // instance of File
$.ajax({
type: 'POST',
url: 'upload.php',
data: file,
contentType: 'application/my-binary-typ...