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How best to determine if an argument is not sent to the JavaScript function
...r undefined is next 'best' - it only 'fails' if the function is explicitly called with an undefined value, which in all likelyhood should be treated the same way as omitting the argument.
The use of the || operator might trigger usage of the default value even if a valid argument is provided. On th...
Add disabled attribute to input element using Javascript
I have an input box and I want it to be disabled and at the same time hide it to avoid problems when porting my form.
7 Ans...
Looking for a 'cmake clean' command to clear up CMake output
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This is called "out of source build" and should be the preferred way to go. It avoids name clashes and the like
– arne
Mar 13 '12 at 8:48
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Pretty printing JSON from Jackson 2.2's ObjectMapper
...s separated out on its own, but does not have an INDENT_OUTPUT constant inside. :(
– Anthony Atkinson
Jul 12 '13 at 15:02
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When should you use a class vs a struct in C++?
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A struct with no modifiers or methods is called a POD struct, which exists as a backwards compatible interface with C libraries as it is (supposedly) guaranteed to be laid out as though it were a C struct. Apart from this one exception though, the only difference is...
Convert two lists into a dictionary
...l elements. {k:v} or {**mapping} will construct a dict, but that's syntactically quite distinct.
– Dan Lenski
Aug 28 '19 at 16:41
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Fork and synchronize Google Code Subversion repository into GitHub
...o clones your Git repository. Follow me? OK, so you create a branch, let's call it "features". And you make a commit and push it out to GitHub to the features branch. Your gitk would look something like this:
o [features][remotes/origin/features]
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o
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o [master][remotes/trunk][remotes/origin/maste...
Read file line by line using ifstream in C++
...implest approach is to open an std::ifstream and loop using std::getline() calls. The code is clean and easy to understand.
#include <fstream>
std::ifstream file(FILENAME);
if (file.is_open()) {
std::string line;
while (std::getline(file, line)) {
// using printf() in all tes...
Change text color of one word in a TextView
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In case anyone looking for Xamarin.Android Solution. You can assign SpannableString object by using TextFormatted Property of your control.
– Jamshaid Kamran
May 5 '17 at 15:48
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How to find the 'sizeof' (a pointer pointing to an array)?
...y Zan, which is to stash the size somewhere. For example, if you're dynamically allocating the array, allocate a block one int bigger than the one you need, stash the size in the first int, and return ptr+1 as the pointer to the array. When you need the size, decrement the pointer and peek at the ...