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Determine a user's timezone
... What about when a user is downloading an .ics file that should have a start time specific to their location (e.g. 9-11am across the country)? They shouldn't HAVE to say what their time zone is imo.
– Marcy Sutton
Jan 27 '11 at 21:57
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What is the difference between const_iterator and non-const iterator in the C++ STL?
...s this->v const.
You can usually forget about it with auto, but if you starting passing those iterators around, you will need to think about them for the method signatures.
Much like const and non-const, you can convert easily from non-const to const, but not the other way around:
std::vector&...
HTML5 Canvas 100% Width Height of Viewport?
...vas.
I see 4 cases of what you might want to happen on window resize (all starting with a full screen canvas)
1: you want the width to remain 100%, and you want the aspect ratio to stay as it was. In that case, you do not need to redraw the canvas; you don't even need a window resize handler. All ...
How to change the style of alert box?
...Option1. you can use AlertifyJS , this is good for alert
Option2. you start up or just join a project based on webapplications, the design of interface is maybe good. Otherwise this should be changed. In order to Web 2.0 applications you will work with dynamic contents, many effects and other s...
How do I print the full value of a long string in gdb?
...ments command. This limit also applies to the display of strings. When GDB starts, this limit is set to 200. Setting number-of-elements to zero means that the printing is unlimited.
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Use of def, val, and var in scala
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I'd start by the distinction that exists in Scala between def, val and var.
def - defines an immutable label for the right side content which is lazily evaluated - evaluate by name.
val - defines an immutable label for the rig...
How to truncate string using SQL server
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You can use
LEFT(column, length)
or
SUBSTRING(column, start index, length)
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Is there a TRY CATCH command in Bash
... in use:
#!/bin/bash
export AnException=100
export AnotherException=101
# start with a try
try
( # open a subshell !!!
echo "do something"
[ someErrorCondition ] && throw $AnException
echo "do something more"
executeCommandThatMightFail || throw $AnotherException
thr...
Understanding Linux /proc/id/maps
...8056000 r-xp 00000000 03:0c 64593 /usr/sbin/gpm
address - This is the starting and ending address of the region in the process's address space
permissions - This describes how pages in the region can be accessed. There are four different permissions: read, write, execute, and shared. If read/wr...
How to format numbers? [duplicate]
... and can leak memory in Node! Tested this on Node 10.16.3: console.log('on start RSS = ', process.memoryUsage().rss / 1024 / 1024); const number = Math.random() * 10; const params = { minimumFractionDigits: 3, maximumFractionDigits: 3, useGrouping: false }; for (let i = 0; i < 100000; i++) { Numb...