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jemalloc 接入方法：提高内存使用效率解决内存泄漏 - C/C++ - 清泛网 - 专...
...用效率解决内存泄漏use_jemallocjemalloc 介绍及编译步骤本文直接略过，仅记录一下C++程序如何接入jemalloc，以及如何确认jemalloc已载入。注：jemalloc是非侵入式的，目标程序无需依赖jemalloc库，只需要在目标 jemalloc 介绍及编译步骤...
AppInventor2能否用网络摄像头的实时画面作为屏幕的背景？ - App应用开发 -...
...
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思路：
1、目前原生组件无法直接实现这个功能，屏幕背景只能是图片，不能是网址。（已证伪）
2、考虑使用“Web客户端”读取url，短间隔定时保存图片，将图片设置到屏幕背景中。（”Web浏览器“...
Faster way to develop and test print stylesheets (avoid print preview every time)?
... 3. For the Emulate CSS Media dropdown, select print.
UPDATE 29/02/2016
The DevTools docs have moved and the above link provides inaccurate information. The updated docs regarding Media type emulation can be found here: Preview styles for more media types.
Open the DevTools emulation dr...
PHP: Return all dates between two dates in an array [duplicate]
...
fail with example: createDateRangeArray('2016-10-30','2016-11-01')
– Kelvin
Nov 24 '16 at 7:00
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How to get client's IP address using JavaScript?
...g client-side and most end users will never exceed the quota.
UPDATES
2/1/2016: Removed Telize (no longer offers free plan)
4/18/2016: Removed freegeoip.net (out of service)
4/26/2016: Added DB-IP
4/26/2016: Added Hacker Target
7/6/2016: Reinstated freegeoip.net
7/6/2016: Removed ip-json.rhcloud.co...
What's best SQL datatype for storing JSON string?
...CHAR(MAX) versions, which store up to 2 GByte of data.
Update: SQL Server 2016 will have native JSON support - a new JSON datatype (which is based on nvarchar) will be introduced, as well as a FOR JSON command to convert output from a query into JSON format
Update #2: in the final product, Microso...
How to display gpg key details without importing it?
...014-03-26 [E] [expires: 2020-09-03]
sub rsa4096 2014-11-22 [A] [revoked: 2016-03-01]
sub rsa4096 2016-02-24 [A] [expires: 2020-02-23]
By setting --keyid-format 0xlong, long key IDs are printed instead of the insecure short key IDs:
$ gpg a4ff2279.asc ...
Unable to import a module that is definitely installed
...akes it just work.
To be clear, if your module's name is "foo":
[burnc7 (2016-06-21 15:28:49) git]# ls -l
total 1
drwxr-xr-x 7 root root 118 Jun 21 15:22 foo
[burnc7 (2016-06-21 15:28:51) git]# cd foo
[burnc7 (2016-06-21 15:28:53) foo]# ls -l
total 2
drwxr-xr-x 2 root root 93 Jun 21 15:23 foo
-...
How do I finish the merge after resolving my merge conflicts?
...e more natural command:
git merge --continue
See commit c7d227d (15 Dec 2016) by Jeff King (peff).
See commit 042e290, commit c261a87, commit 367ff69 (14 Dec 2016) by Chris Packham (cpackham).
(Merged by Junio C Hamano -- gitster -- in commit 05f6e1b, 27 Dec 2016)
See 2.12 release notes.
m...
Check if a temporary table exists and delete if it exists before creating a temporary table
...,
FieldId TINYINT,
)
If you are using Sql Server 2016 or Azure Sql Database then use the below syntax to drop the temp table and recreate it. More info here MSDN
Syntax
DROP TABLE [ IF EXISTS ] [ database_name . [ schema_name ] . |
schema_name . ] table_name [ ,...n ...