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Programmatically retrieve memory usage on iPhone
... you can do something like the example below. However, you really should become familiar with the various profiling tools as well as they are designed to give you a much better picture of usage over-all.
#import <mach/mach.h>
// ...
void report_memory(void) {
struct task_basic_info info;
...
Bash tool to get nth line from a file
Is there a "canonical" way of doing that? I've been using head -n | tail -1 which does the trick, but I've been wondering if there's a Bash tool that specifically extracts a line (or a range of lines) from a file.
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Synchronous request in Node.js
If I need to call 3 http API in sequential order, what would be a better alternative to the following code:
18 Answers
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GCC compile error with >2 GB of code
I have a huge number of functions totaling around 2.8 GB of object code (unfortunately there's no way around, scientific computing ...)
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When is it better to use String.Format vs string concatenation?
... a lot of things simpler to read in C# 6. In this case, your second code becomes:
xlsSheet.Write($"C{rowIndex}", null, title);
which is probably the best option, IMO.
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Can dplyr package be used for conditional mutating?
... a == 4 | a == 3 | c == 4 ~ 3
))
Using dplyr 0.7.4
The manual: http://dplyr.tidyverse.org/reference/case_when.html
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Difference between is and as keyword
...ons, such as user-defined conversions, are not considered."(msdn.microsoft.com/en-us/library/scekt9xw.aspx). About as: "Note that the as operator performs only reference conversions, nullable conversions, and boxing conversions. The as operator can't perform other conversions, such as user-defined c...
How can I see the size of files and directories in linux? [closed]
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Use ls command for files and du command for directories.
Checking File Sizes
ls -l filename #Displays Size of the specified file
ls -l * #Displays Size of All the files in the current directory
ls -al * #Display...
How can I create a directly-executable cross-platform GUI app using Python?
...The latter is less mature, but can be used for free.
Complete list is at http://wiki.python.org/moin/GuiProgramming
Single executable (all platforms)
PyInstaller - the most active(Could also be used with PyQt)
fbs - if you chose Qt above
Single executable (Windows)
py2exe - used to be the m...
Set a cookie to never expire
...late the age of the cookie according to the age calculation
rules in the HTTP/1.1 specification [RFC2616]. When the age is
greater than delta-seconds seconds, the client SHOULD discard the
cookie. A value of zero means the cookie SHOULD be discarded
immediately.
and RFC 2616, 14.6 Age:
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