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Why do some functions have underscores “__” before and after the function name?
...dler, ThreadableMixin):
def _worker(self):
self.res = self.render_string("template.html",
title = _("Title"),
data = self.application.db.query("select ... where object_id=%s", self.object_id)
)
...
...
Bootstrap 3 modal vertical position center
...io/anon/pen/Hiskj
..selecting this as the correct answer since there's no extra heavy javascript that brings the browser to its knees in case of more than one modals.
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Importing a CSV file into a sqlite3 database table using Python
...
I keep getting not all arguments converted during string formatting when I attempt this method.
– Whitecat
Sep 1 '16 at 23:27
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How should I read a file line-by-line in Python?
...ndle when it collects the file object, therefore as long as you don't have extra references to the file object and you don't disable GC and you're not opening many files in quick succession, you're unlikely to get "too many files open" due to not closing the file.
– Lie Ryan
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Convert UTC datetime string to local datetime
I've never had to convert time to and from UTC. Recently had a request to have my app be timezone aware, and I've been running myself in circles. Lots of information on converting local time to UTC, which I found fairly elementary (maybe I'm doing that wrong as well), but I can not find any informat...
Access object child properties using a dot notation string [duplicate]
... scenario that you could put the entire array variable you're after into a string you could use the eval() function.
var r = { a:1, b: {b1:11, b2: 99}};
var s = "r.b.b2";
alert(eval(s)); // 99
I can feel people reeling in horror
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HTML5 canvas ctx.fillText won't do line breaks?
...les i am using the measureText() method which shows how long (in pixels) a string will be when printed.
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Shell脚本编程30分钟入门 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...引号。单双引号的区别跟PHP类似。
单引号
str='this is a string'
单引号字符串的限制：
单引号里的任何字符都会原样输出，单引号字符串中的变量是无效的
单引号字串中不能出现单引号（对单引号使用转义符后也不行）
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Which are more performant, CTE or temporary tables?
...atistics.
Test Data
CREATE TABLE T(A INT IDENTITY PRIMARY KEY, B INT , F CHAR(8000) NULL);
INSERT INTO T(B)
SELECT TOP (1000000) 0 + CAST(NEWID() AS BINARY(4))
FROM master..spt_values v1,
master..spt_values v2;
Example 1
WITH CTE1 AS
(
SELECT A,
ABS(B) AS Abs_B,
F
FROM T
)
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What is the difference between an annotated and unannotated tag?
...release without making a release commit.
Lightweight tags don't have that extra information, and don't need it, since you are only going to use it yourself to develop.
git push --follow-tags will only push annotated tags
git describe without command line options only sees annotated tags
Internals...