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Is floating point math broken?
... floating-point arithmetic issues is What Every Computer Scientist Should Know About Floating-Point Arithmetic. For an easier-to-digest explanation, see floating-point-gui.de.
Side Note: All positional (base-N) number systems share this problem with precision
Plain old decimal (base 10) numbers ha...
Put buttons at bottom of screen with LinearLayout?
...1". With this your LinearLayout will occupy the height left on the screen; now you can set the gravity of your Buttons to bottom.
– Ahmad
Feb 8 '13 at 19:18
1
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:: (double colon) operator in Java 8
...urned by some method and we want to sort the employees by their grade. We know we can make use of anonymous class as:
List<Employee> employeeList = getDummyEmployees();
// Using anonymous class
employeeList.sort(new Comparator<Employee>() {
@Override
p...
How to add a right button to a UINavigationController?
...roller = [[PropertyViewController alloc] initWithRootViewController:vc];
Now, this infoButton that has been created programatically will show up in the navigation bar. The idea is that the navigation controller picks up its display information (title, buttons, etc) from the UIViewController that i...
When and why are database joins expensive?
... on you) and are indignantly setting hand to keyboard to tell me that you know for a fact that denormalisation is faster, sorry but you're living in one of the special cases - specifically, the case where you process all of the data, in-order. It's not a general case, and you are justified in your s...
Underlining text in UIButton
...
Good question @new2ios Perhaps someone else knows
– finneycanhelp
Apr 30 '15 at 12:54
1
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Escaping single quote in PHP when inserting into MySQL [duplicate]
...y is likely because you have magic_quotes_gpc turned on (which you should know is a bad idea). This means that strings gathered from $_GET, $_POST and $_COOKIES are escaped for you (i.e., "O'Brien" -> "O\'Brien").
Once you store the data, and subsequently retrieve it again, the string you get b...
Ruby off the rails
...imple script may often still be written directly for sh(1), a complex task now might be done in Ruby rather than Perl.
share
edited
OceanBase使用libeasy原理源码分析：客户端 - 数据库(内核) - 清泛网 - 专...
... EASY_MESSAGE_SESSION_HEADER;
ev_tstamp timeout, now;
ev_timer timeout_watcher;
// 用于串入session list的链表节点
easy_list_t session_list_node;
//为了快速根据packet id定位到发送队列中的session...
What is a “context bound” in Scala?
...lished, but context bounds are preferred over view bounds (view bounds are now deprecated). One suggestion is that a context bound is preferred when you need to transfer an implicit definition from one scope to another without needing to refer to it directly (this is certainly the case for the Cla...