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How can I kill a process by name instead of PID?
...u're killing before you go around slaying processes is a Good Thing. Especially when using -f.
– Akrikos
Oct 9 '13 at 12:21
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Using CSS to affect div style inside iframe
... your domain, you can control it, if not, you're locked out. This prevents all kinds of Iframe-based page hijacking.
– Diodeus - James MacFarlane
Dec 29 '09 at 16:08
2
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Reopen last closed tab in Visual Studio
...it can be helpful, so I would mention it.
There is a much simpler way actually, which is to navigate backward (Ctrl+-). Even if the file is closed, VS opens up the file in a new tab. Of course this is useful only in opening the closed tab immediately after you have closed the tab (ie, if you haven'...
How to select distinct rows in a datatable and store into an array
...istinct "name" but i need to keep the column "name" in my datatable what shall i do?
– User7291
Dec 5 '13 at 9:01
1
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How can I make my match non greedy in vim?
...olve different problems so it makes sense that the syntax could be -potentially wildly- different across these implementations. We have to accept that this is just how the real world works even though it sometimes makes our lives harder as developers. Luckily many tools at least provide a Perl-com...
How do I get hour and minutes from NSDate?
...ateComponents:
Obj-C:
NSDateFormatter *dateFormatter = [[NSDateFormatter alloc] init];
[dateFormatter setDateFormat:@"<your date format goes here"];
NSDate *date = [dateFormatter dateFromString:string1];
NSCalendar *calendar = [NSCalendar currentCalendar];
NSDateComponents *components = [calend...
Rails 3 - can't install pg gem
When I try to run bundle (bundle install), I all the time get
16 Answers
16
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How do I change the data type for a column in MySQL?
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If you want to change all columns of a certain type to another type, you can generate queries using a query like this:
select distinct concat('alter table ',
table_name,
' modify ',
...
Generating random number between 1 and 10 in Bash Shell Script [duplicate]
... because you can't divide that evenly into groups of 10, there is a very small bias against 9 and 10 in this implementation. Most people shouldn't need to worry about this, because you shouldn't be using $RANDOM for security purposes anyway.
– Brad Koch
Feb 13...
boost::flat_map and its performance compared to map and unordered_map
...e, because your cache will not be warm, and your operation will likely be called just once. Therefore you need to benchmark using RDTSC, and time stuff calling them once only.
Intel has made a paper describing how to use RDTSC (using a cpuid instruction to flush the pipeline, and calling it at least...