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How to pass boolean values to a PowerShell script from a command prompt
... accept
booleans or numbers, use $true, $false, 1 or 0 instead.
At line:1 char:36
+ function f( [bool]$b ) { $b }; f -b <<<< '$false'
+ CategoryInfo : InvalidData: (:) [f], ParentContainsErrorRecordException
+ FullyQualifiedErrorId : ParameterArgumentTransformationErro...
Calculate size of Object in Java [duplicate]
...reports "Footprint{Objects=34, References=52, Primitives=[float, int x 19, char x 257, long x 2, byte x 68557]}". ObjectGraphMeasurer is clearly the winner.
– Yuci
Sep 2 '16 at 11:03
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Row count with PDO
...
$sql = "SELECT count(*) FROM `table` WHERE foo = ?";
$result = $con->prepare($sql);
$result->execute([$bar]);
$number_of_rows = $result->fetchColumn();
Not the most elegant way to do it, plus it involves an extra query...
If using maven, usually you put log4j.properties under java or resources?
... configuration: Run->Run Configurations...->Java Application->New select the Classpath tab, select Advanced and browse to your src/resources directory.
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How do I list all tables in a schema in Oracle SQL?
... schema, you need to have one or more of the following system privileges:
SELECT ANY DICTIONARY
(SELECT | INSERT | UPDATE | DELETE) ANY TABLE
or the big-hammer, the DBA role.
With any of those, you can select:
SELECT DISTINCT OWNER, OBJECT_NAME
FROM DBA_OBJECTS
WHERE OBJECT_TYPE = 'TABLE'
...
jQuery checkbox event handling
...mall tip. You will get a performance boost by using input:checkbox in your selector instead of just :checkbox since the latter is translated to the universal selector *:checkbox.
– jimmystormig
Feb 1 '12 at 15:28
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Selecting/excluding sets of columns in pandas [duplicate]
...e to create views or dataframes from an existing dataframe based on column selections.
9 Answers
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Pipe to/from the clipboard in Bash script
...lets you talk to it.
In the case of X, there's xclip (and others). xclip -selection c will send data to the clipboard that works with Ctrl + C, Ctrl + V in most applications.
If you're on Mac OS X, there's pbcopy. e.g cat example.txt | pbcopy
If you're in Linux terminal mode (no X) then look into...
Run a Docker image as a container
...ing
Then list all the containers you have made:
sudo docker ps -a
And select the container you want to work with (mine is 167ddd6d7f15):
sudo docker start -ai 167ddd6d7f15
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plupload图片上传插件的使用 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...工作
multipart_params： 跟 multipart关联在一起的键值
multi_selection： 多选对话框
resize：修改图片属性 resize: {width: 320, height: 240, quality: 90}
runtimes:上传插件初始化选用那种方式的优先级顺序，如果第一个初始化失败就走第二个，依...