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How to get the first line of a file in a bash script?
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Significantly more overhead than the read approach. $() forks off a subshell, and using an external command (any external command) means you're calling execve(), invoking the linker and loader (if it's using shared libraries, which is usual...
Why can't Python parse this JSON data?
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Your data is not valid JSON format. You have [] when you should have {}:
[] are for JSON arrays, which are called list in Python
{} are for JSON objects, which are called dict in Python
Here's how your JSON file should look:
{
"maps": [
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Add zero-padding to a string
... (though not as satisfying as having one of your own accepted of course), sort of like your son getting into the best school), just thought I'd mention it in case it reared its ugly head sometime in the future. Cripes, I hope those parentheses are balanced :-)
– paxdiablo
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ProcessBuilder: Forwarding stdout and stderr of started processes without blocking the main thread
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To only way in Java 6 or earlier is with a so called StreamGobbler (which you are started to create):
StreamGobbler errorGobbler = new StreamGobbler(p.getErrorStream(), "ERROR");
// any output?
StreamGobbler outputGobbler = new StreamGobbler(p.g...
Initialization of all elements of an array to one default value in C++?
...to set them all to -1, you can use something like std::fill_n (from <algorithm>):
std::fill_n(array, 100, -1);
In portable C, you have to roll your own loop. There are compiler-extensions or you can depend on implementation-defined behavior as a shortcut if that's acceptable.
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How to refer to relative paths of resources when working with a code repository
We are working with a code repository which is deployed to both Windows and Linux - sometimes in different directories. How should one of the modules inside the project refer to one of the non-Python resources in the project (CSV files, etc.)?
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How to get the response of XMLHttpRequest?
... load the content of a remote URL and have the HTML of the accessed site stored in a JS variable.
4 Answers
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How to do something before on submit? [closed]
i have a form which has a button that submits the form. I need to do something before submits happen. I tried doing onClick on that button but it happens after the submit.
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Hiding the legend in Google Chart
I am using the Google charts API. Is there a way to hide the legend for a scatter plot?
5 Answers
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What would be an alternate to [TearDown] and [SetUp] in MSTest?
When I use MSTest Framework, and copy the code that Selenium IDE generated for me, MSTest doesn't recognize [TearDown] and [SetUp] . What is the alternative to this?
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