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Clean code to printf size_t in C++ (or: Nearest equivalent of C99's %z in C++)
...l combine it with IOStreams to get type-safe behavior:
size_t foo = bar;
ostringstream os;
os << foo;
printf("%s", os.str().c_str());
It's not super-efficient, but your case above deals with file I/O, so that's your bottleneck, not this string formatting code.
...
WebAPI Delete not working - 405 Method Not Allowed
...the name of the parameter in my Delete method.
I had
public void Delete(string Questionid)
instead of
public void Delete(string id)
I need to use the id name because that's the name that is declared in my WebApiConfig file. Note the id name in the third and fourth lines:
config...
String to Dictionary in Python
...mport json # or `import simplejson as json` if on Python < 2.6
json_string = u'{ "id":"123456789", ... }'
obj = json.loads(json_string) # obj now contains a dict of the data
share
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impro...
How to install Java 8 on Mac
...sion (commonly Java 8), the AdoptOpenJDK project makes it possible with an extra step.
brew tap adoptopenjdk/openjdk
brew cask install adoptopenjdk8
Existing users of Homebrew may encounter Error: Cask adoptopenjdk8 exists in multiple taps due to prior workarounds with different instructions. Thi...
How do I calculate the date six months from the current date using the datetime Python module?
...ning for folks wondering if the function is broken because they forgot the extra s in months.
– shad0w_wa1k3r
Jul 30 '19 at 9:19
...
Tools for JPEG optimization? [closed]
...ly everything, the only drawback is it uses more CPU to decode (not enough extra to matter).
– Ariel
Jul 29 '12 at 6:07
1
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Synchronous request in Node.js
... works. I've tried other examples here and was stumped when there was much extra setup to do or installs didn't work!
Notes:
The example that sync-request uses doesn't play nice when you use res.getBody(), all get body does is accept an encoding and convert the response data. Just do res.body.toStri...
Tools to get a pictorial function call graph of code [closed]
...t shown because it didn't get called in the run, because we didn't pass an extra command line argument.
The cool thing about valgrind is that it does not require any special compilation options.
Therefore, you could use it even if you don't have the source code, only the executable.
valgrind man...
Handling a colon in an element ID in a CSS selector [duplicate]
...h () character indicates three types of character escapes.
First, inside a string, a backslash followed by a newline is ignored (i.e., the string is deemed not to contain either the backslash or the newline).
Second, it cancels the meaning of special CSS characters. Any character (except a hexadeci...
What are copy elision and return value optimization?
....
Copy elision is an optimization implemented by most compilers to prevent extra (potentially expensive) copies in certain situations. It makes returning by value or pass-by-value feasible in practice (restrictions apply).
It's the only form of optimization that elides (ha!) the as-if rule - copy el...