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Recursive Lock (Mutex) vs Non-Recursive Lock (Mutex)
... has to keep track of the thread who actually obtained the mutex the first time around so that it can detect the difference between recursion vs. a different thread that should block instead. As another answer pointed out, there is a question of the additional overhead of this both in terms of memor...
MySQL stored procedure vs function, which would I use when?
...cution plan where as functions are not. Function Parsed and compiled at runtime. Stored procedures, Stored as a pseudo-code in database i.e. compiled form.
(I'm not sure for this point.)
Stored procedure has the security and reduces the network
traffic and also we can call stored procedure in any n...
LEFT OUTER JOIN in LINQ
...t = l.Count(), l.country, l.reason, r.people })
Hope this saves you some time.
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Managing CSS Explosion
...ok of web sites and/or apps using pure CSS, which is a great advantage and time-saver.
If possible, give every page's body a unique class: <body class='contactpage'> this makes it very easy to add page-specific tweaks to the style sheet:
body.contactpage div.container ul.mainmenu li { col...
Simultaneously merge multiple data.frames in a list
...ve an idea, i always check if @hadley has already done it, and most of the times he has :-)
– Ramnath
Nov 11 '11 at 15:33
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Browserify - How to call function bundled in a file generated through browserify in browser
...erate an empty module since it couldn't find it.
Hope this saves you some time.
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How to sort two lists (which reference each other) in the exact same way
... up 3 lines, is a tad faster on my machine for small lists:
>>> %timeit zip(*sorted(zip(list1, list2)))
100000 loops, best of 3: 3.3 us per loop
>>> %timeit tups = zip(list1, list2); tups.sort(); zip(*tups)
100000 loops, best of 3: 2.84 us per loop
On the other hand, for larger ...
Mark parameters as NOT nullable in C#/.NET?
...l from being passed in C#/.NET? Ideally this would also check at compile time to make sure the literal null isn't being used anywhere for it and at run-time throw ArgumentNullException .
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Sending Arguments To Background Worker?
... this (like I tried to do), you have to create a new backgroundworker each time (in your example you did). Else you will have an issue like I did. My backgroundworker would keep repeating the previous runs. If run once it was fine. 2 times it repeated last run and current run. 3rd run would repeat l...
Message Queue vs. Web Services? [closed]
... Apache so that requests come 1 after 1, instead of all coming at the same time. In this case, Clients (Browsers) are connected to MQ instead of Apache, am i right? But then, do Browsers keep the HTTP connection open and keep waiting for Apache to respond? Please help me understand a bit on this. Ap...