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Difference between filter and filter_by in SQLAlchemy
Could anyone explain the difference between filter and filter_by functions in SQLAlchemy?
Which one should I be using?
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Why is argc not a constant?
...esting... I looked up the prototype in the header, and it has char* const* ___argv there, but the interface actually adheres to const char **. Such confusion. I had confused the precedence of the [] and the * with respect to the const. My apologies.
– Joe Z
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How to run a Runnable thread in Android at defined intervals?
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You may define boolean variable _stop, and set it 'true' when you want to stop. And change 'while(true)' into 'while(!_stop)', or if the first sample used, just change to 'if(!_stop) handler.postDelayed(this, 1000)'.
– alex2k8
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MySql Table Insert if not exist otherwise update
... if an existing row is set to its current values. If you specify the CLIENT_FOUND_ROWS flag to mysql_real_connect() when connecting to mysqld, the affected-rows value is 1 (not 0) if an existing row is set to its current values...
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TaifunWiFi 拓展：WiFi Manager WiFi管理器扩展 · App Inventor 2 中文网
...导配置辅助设备，该API从Android 10开始可用。此API需要WRITE_SETTINGS权限。
DisconnectSSID 断开连接()
断开当前WiFi连接。
HaveSystemWritePermission 拥有系统写入权限()
检查应用是否拥有系统写入权限。
IsGpsEnabled GPS是否启用()
检...
Java SimpleDateFormat(“yyyy-MM-dd'T'HH:mm:ss'Z'”) gives timezone as IST
... edited Jan 22 '15 at 3:26
AZ_
34.4k2828 gold badges150150 silver badges197197 bronze badges
answered Oct 1 '13 at 11:41
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What is an xs:NCName type and when should it be used?
...Name with the regex: "[abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ_][\\w\\.\\-\\d]*". That means. the value should start with a letter or underscore and then contains of words, dots, dashes, underscores, digits. You can try it at: regexr.com
– Naxos84
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ElasticSearch, Sphinx, Lucene, Solr, Xapian. Which fits for which usage? [closed]
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My sphinx.conf
source post_source
{
type = mysql
sql_host = localhost
sql_user = ***
sql_pass = ***
sql_db = ***
sql_port = 3306
sql_query_pre = SET NAMES utf8
# query before fetching rows to index
sql_query =...
How do I provide JVM arguments to VisualVM?
I'm using VisualVM from JDK 1.6.0_26 to profile a Java webapp running under Tomcat, but VisualVM often tells me that it doesn't have enough memory to take a snapshot, and to use the -Xmx switch to provide more memory to Netbeans. The problem is, I'm running VisualVM outside of Netbeans, so how can I...
How do I get textual contents from BLOB in Oracle SQL
...ext stored in the BLOB, CS of the database used for VARCHAR2) :
select utl_raw.cast_to_varchar2(dbms_lob.substr(BLOB_FIELD)) from TABLE_WITH_BLOB where ID = '<row id>';
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