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How do I avoid capturing self in blocks when implementing an API?
...ied inside the block (we're not doing that) but also they are not automatically retained when the block is retained (unless you are using ARC). If you do this, you must be sure that nothing else is going to try to execute the block after the MyDataProcessor instance is released. (Given the structure...
How to rotate the background image in the container?
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fyi, it doesn't work for all elements; for example, a select can't have a :before.
– Yann Dìnendal
Apr 10 '15 at 14:41
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Most efficient way to concatenate strings in JavaScript?
...once.
is wrong, because it's based on a flawed test. That test never actually appends into the DOM.
This fixed test shows that creating the string all at once before rendering it is much, MUCH faster. It's not even a contest.
(Sorry this is a separate answer, but I don't have enough rep to comme...
What is “(program)” in Chrome debugger’s profiler?
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(program) is Chrome itself, the root of the tree calling all other code...it's there because the jump from native code to JavaScript, resource loading, etc. has to start somewhere :)
You can see examples of the treeview in the Chrome developer tool docs.
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Should struct definitions go in .h or .c file?
...ou mean global and local visibility? public doesnt make sense in a struct. All structs are public by default.
– BugShotGG
Jul 6 '15 at 16:05
3
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Dynamic SQL - EXEC(@SQL) versus EXEC SP_EXECUTESQL(@SQL)
...se. When using sp_executesql, parameters are explicitly identified in the calling signature. This excellent article descibes this process.
The oft cited reference for many aspects of dynamic sql is Erland Sommarskog's must read: "The Curse and Blessings of Dynamic SQL".
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How do .gitignore exclusion rules actually work?
...so git won't look inside) instead of the files within the directory (which allows for the exclusion).
Think of the exclusions as saying "but not this one" rather than "but include this" - "ignore this directory (/a/b/c/) but not this one (foo)" doesn't make much sense; "ignore all files in this dir...
How to add a line break in C# .NET documentation
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The bad thing about this is that it actually adds one whole blank line, instead of just new line.
– Devid
May 16 '16 at 12:21
6
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Build an ASCII chart of the most commonly used words in a given text [closed]
... LabVIEW's very happy in its hardware control and measurement niche, but really pretty awful for string manipulation.
– Joe Z
Jul 4 '10 at 6:23
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jQuery attr vs prop?
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Unfortunately none of your links work :(
Some insight though, attr is for all attributes. prop is for properties.
In older jQuery versions (<1.6), we just had attr. To get to DOM properties such as nodeName, selectedIndex, or defaultValue you had to do something like:
var elem = $("#foo")[0];
if...