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Is a view faster than a simple query?
...atter if it's the index, the fact that a view can leverage the index and a raw query can't is enough
– annakata
Jan 13 '09 at 17:36
199
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C++ lambda with captures as a function pointer
... <functional>
using namespace std;
// Original ftw function taking raw function pointer that cannot be modified
int ftw(const char *fpath, int(*callback)(const char *path)) {
return callback(fpath);
}
static std::function<int(const char*path)> ftw_callback_function;
static int ftw_...
When would I need a SecureString in .NET?
...cureString.
This is helpful because everywhere you used to pass around a raw string, you now have the type system complaining that SecureString is incompatible with String. You want to go as long as possible before having to convert your SecureString back into regular string.
Converting a Secure...
Version vs build in Xcode
...ame values.
When viewing the Info tab, if you right-click and select Show Raw Keys/Values, you'll see the actual names are CFBundleShortVersionString (Version) and CFBundleVersion (Build).
The Version is usually used how you appear to have been using it with Xcode 3. I'm not sure on what level you...
vs vs for inline and block code snippets
...ly missing something, but apparently, this is the only I found way to show raw HTML code (for debugging purpose) in WordPress/PHP templates...
– sphakka
Apr 2 '17 at 9:37
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Is MATLAB OOP slow or am I doing something wrong?
...re reference-counted, because they use copy-on-write and shared underlying raw data.
– Andrew Janke
Apr 19 '19 at 9:20
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What does FETCH_HEAD in Git mean?
...for alternate ref backends, read them from a file generically in refs_read_raw_ref().
With Git 2.29 (Q4 2020), Updates to on-demand fetching code in lazily cloned repositories.
See commit db3c293 (02 Sep 2020), and commit 9dfa8db, commit 7ca3c0a, commit 5c3b801, commit abcb7ee, commit e5b9421, com...
How to un-submodule a Git submodule?
... Bash 2.20.1.1 on Windows 10 with latest version from github: curl https://raw.githubusercontent.com/jeremysears/scripts/master/bin/git-submodule-rewrite > git-submodule-rewrite.sh and ./git-submodule-rewrite.sh <submodule-name>
– Alexey
Dec 6 '19 at 1...
How to loop through file names returned by find?
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You should use the -r option to read: -r raw input - disables interpretion of backslash escapes and line-continuation in the read data
– Daira Hopwood
Jan 17 '15 at 0:45
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Quickly reading very large tables as dataframes
... currently claims to be "1.5-2x slower" than data.table::fread).
read.csv.raw from iotools provides a third option for quickly reading CSV files.
Trying to store as much data as you can in databases rather than flat files. (As well as being a better permanent storage medium, data is passed to and...