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Does JavaScript have “Short-circuit” evaluation?
...:
Invoking expr1 - sanitise(0xFF)
0xFF is a valid hexadecimal number for 250, otherwise I'd return NaN
The expr1 returned a "truthy" value, time to execute expr2 (otherwise I'd stop as NaN is falsy)
Since userinput is truthy (a number), I can add +5 to it
"Truthy" means that expression ca...
How long should SQL email fields be? [duplicate]
...d one is 89.
There are hundreds longer ones up to the limit of our column (255) but they are apparently fake by visual inspection.
The peak of the length distribution is at 19.
There isn't long tail. Everything falls off sharply after 38.
We cleaned up the DB by throwing away anything longer than ...
OSGi, Java Modularity and Jigsaw
...5.93063C49.672 5.22043 48.9832 4.61182 48.1414 4.61182C47.4335 4.61182 46.7256 4.91628 46.0943 5.50789C45.7307 4.9328 45.2525 4.66231 44.6595 4.66231C43.6264 4.66231 43.1481 5.28821 43.1481 6.59048V11.9512C43.1481 13.2535 43.6264 13.8962 44.6595 13.8962C45.6924 13.8962 46.1709 13.2535 46.1709 11.951...
How to change the default charset of a MySQL table?
... be one:
DELIMITER $$
CREATE PROCEDURE `exec_query`(IN sql_text VARCHAR(255))
BEGIN
SET @tquery = `sql_text`;
PREPARE `stmt` FROM @tquery;
EXECUTE `stmt`;
DEALLOCATE PREPARE `stmt`;
END$$
CREATE PROCEDURE `change_character_set`(IN `charset` VARCHAR(64), IN `collation` VARCHAR(64))
BEGIN
...
Very slow compile times on Visual Studio 2005
...:
In decreasing order of speedup:
Install Microsoft hotfix 935225.
Install Microsoft hotfix 947315.
Use a true multicore processor (ie. an Intel Core Duo 2; not a Pentium 4 HT).
Use 3 parallel builds. In Visual Studio 2005, you will find the option in Tools > Options... > Pr...
How to change a module variable from another module?
...5.93063C49.672 5.22043 48.9832 4.61182 48.1414 4.61182C47.4335 4.61182 46.7256 4.91628 46.0943 5.50789C45.7307 4.9328 45.2525 4.66231 44.6595 4.66231C43.6264 4.66231 43.1481 5.28821 43.1481 6.59048V11.9512C43.1481 13.2535 43.6264 13.8962 44.6595 13.8962C45.6924 13.8962 46.1709 13.2535 46.1709 11.951...
Default template arguments for function templates
...
Steve JessopSteve Jessop
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...
What are WSGI and CGI in plain English?
...Abrams
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16
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Remove the last three characters from a string
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edited Jan 25 '19 at 14:56
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answered Mar 22...
区块链技术到底是什么鬼，为何被疯炒？ - 资讯 - 清泛网 - 专注C/C++及内核技术
区块链技术到底是什么鬼，为何被疯炒？5月25日，平安宣布加入全球区块链联盟R3，为首个来自中国的成员的消息不胫而走，区块链概念个股飞天诚信当天开盘一字涨停。区块链，这是当...5月25日，“平安宣布加入全球区块链联...