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How to capitalize the first letter in a String in Ruby
...sn't do what you want it to, it outputs мария instead of Мария.
If you're using Rails there's an easy workaround:
"мария".mb_chars.capitalize.to_s # requires ActiveSupport::Multibyte
Otherwise, you'll have to install the unicode gem and use it like this:
require 'unicode'
Unicod...
PHP exec() vs system() vs passthru()
What are the differences?
5 Answers
5
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How to get the current time in Python
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Use:
>>> import datetime
>>> datetime.datetime.now()
datetime.datetime(2009, 1, 6, 15, 8, 24, 78915)
>>> print(datetime.datetime.now())
2009-01-06 15:08:24.789150
And just the time:
>>> datetime.datetime.now().time()
datetime.time(15, 8, 24, 78915)
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FloatActionBtn 扩展：悬浮操作按钮扩展，可自定义颜色、大小、图标和位置 ...
...鼠标移动时拖动元素 document.onmousemove = function(e) { if (!isDragging) return; element.style.left = (e.clientX - offsetX) + 'px'; element.style.top = (e.clientY - offsetY) + 'px'; }; // 鼠标释放时停止拖动 document.onmouseup = function(...
Android Studio vs Eclipse + ADT Plugin? [closed]
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The last update is now more than a year old, so here goes another update (25th of October 2016):
TL;DR
Eclipse ADT has been deprecated and should no longer be used.
Android Studio is a stable product and is updated much more frequently than ...
Diagnosing Memory Leaks - Allowed memory size of # bytes exhausted
... common source of memory leaks are cyclic references and global variables. If you use a framework, you'll have a lot of code to trawl through to find it, I'm afraid. The simplest instrument is to selectively place calls to memory_get_usage and narrow it down to where the code leaks. You can also use...
PostgreSQL, checking date relative to “today”
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select * from mytable where mydate > now() - interval '1 year';
If you only care about the date and not the time, substitute current_date for now()
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Is there a stopwatch in Java?
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Now you use this to get the milliseconds: long stopWatch = stopWatch.elapsed(TimeUnit.MILLISECONDS);
– PHPGuru
Mar 14 '18 at 17:41
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What is the email subject length limit?
... Internet email?
I had a scan of The RFC for email but could not see specifically how long it was allowed to be.
I have a colleague that wants to programmatically validate for it.
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How to put more than 1000 values into an Oracle IN clause [duplicate]
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@ocdecio - my tests with Oracle 10g show different (and clearly worse) explain plans for the IN, compared to the JOIN. Personally I'd use the JOIN, and would recommend others to test different approaches to see differences in performance, rather than guess.
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