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Why is it string.join(list) instead of list.join(string)?
...e any iterable can be joined (e.g, list, tuple, dict, set), but the result and the "joiner" must be strings.
For example:
'_'.join(['welcome', 'to', 'stack', 'overflow'])
'_'.join(('welcome', 'to', 'stack', 'overflow'))
'welcome_to_stack_overflow'
Using something else than strings will raise t...
How can I remove a flag in C?
There is a variable that holds some flags and I want to remove one of them. But I don't know how to remove it.
3 Answers
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Unable to update the EntitySet - because it has a DefiningQuery and no element exis
...pdate in the Entity Framework designer (or alternatively delete the entity and then add it) before you stop getting the error.
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Why is Java's SimpleDateFormat not thread-safe? [duplicate]
... SimpleDateFormat.
For example parse(..) calls calendar.clear() initially and then calendar.add(..). If another thread invokes parse(..) before the completion of the first invocation, it will clear the calendar, but the other invocation will expect it to be populated with intermediate results of th...
Animate the transition between fragments
...e the transition between fragments. I got the answer from the following
Android Fragments and animation
8 Answers
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When do I really need to use atomic instead of bool? [duplicate]
...ic by nature" unless it is an std::atomic*-something. That's because the standard says so.
In practice, the actual hardware instructions that are emitted to manipulate an std::atomic<bool> may (or may not) be the same as those for an ordinary bool, but being atomic is a larger concept with wi...
How to calculate the CPU usage of a process by PID in Linux from C?
...time kernel mode jiffies with child's
You're probably after utime and/or stime. You'll also need to read the cpu line from /proc/stat, which looks like:
cpu 192369 7119 480152 122044337 14142 9937 26747 0 0
This tells you the cumulative CPU time that's been used in various categories, ...
Suppress properties with null value on ASP.NET Web API
...rializerSettings =
new JsonSerializerSettings {NullValueHandling = NullValueHandling.Ignore};
Or, if you want more control, you can replace entire formatter:
var jsonformatter = new JsonMediaTypeFormatter
{
SerializerSettings =
{
NullValueHandling = NullValueHand...
Python regex find all overlapping matches?
...he pattern. So it finds position 0 of the string, position 1 of the string and so on. Then it grabs group(1) - the matching pattern and makes a list of those. VERY cool.
– Tal Weiss
Jul 18 '13 at 20:28
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Timeout for python requests.get entire response
I'm gathering statistics on a list of websites and I'm using requests for it for simplicity. Here is my code:
19 Answers
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