大约有 31,100 项符合查询结果（耗时：0.0487秒） [XML]
Is storing a delimited list in a database column really that bad?
...ient table-scan. May have to resort to regular expressions, for example in MySQL:
idlist REGEXP '[[:<:]]2[[:>:]]'*
Hard to count elements in the list, or do other aggregate queries.
Hard to join the values to the lookup table they reference.
Hard to fetch the list in sorted order.
To solve th...
Error in finding last used cell in Excel with VBA
...error.
Note that this approach will skip any hidden rows. Looking back at my screenshot above for column A, if row 8 were hidden, this approach would return 5 instead of 8.
Find Last Row in a Sheet
To find the Effective last row in the sheet, use this. Notice the use of Application.WorksheetFun...
Session timeout in ASP.NET
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In my situation, it was Application Pool. It is set to restart when idle for xx mins. When I set it to not restart, it seems to use value from Web Config.
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Use PPK file in Mac Terminal to connect to remote connection over SSH [closed]
I have been using Putty on Windows XP and used the .ppk file to connect to my Linux servers (several servers).
3 Answers
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How to format numbers? [duplicate]
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Due to the bugs found by JasperV — good points! — I have rewritten my old code. I guess I only ever used this for positive values with two decimal places.
Depending on what you are trying to achieve, you may want rounding or not, so here are two versions split across that divide.
First up,...
Integrating Dropzone.js into existing HTML form with other fields
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this was my issue and you resolved it, ty @Satindersingh
– Su4p
Sep 14 '15 at 15:35
1
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What is the meaning of the term arena in relation to memory?
...e:
char * arena = malloc(HUGE_NUMBER);
unsigned int current = 0;
void * my_malloc(size_t n) { current += n; return arena + current - n; }
The point is that you get full control over how the memory allocation works. The only thing outside your control is the single library call for the initial a...
What is the difference between partitioning and bucketing a table in Hive ?
...ok at how data is stored in hive.
Let's say you have a table
CREATE TABLE mytable (
name string,
city string,
employee_id int )
PARTITIONED BY (year STRING, month STRING, day STRING)
CLUSTERED BY (employee_id) INTO 256 BUCKETS
then hive will store data in a directory...
Java code for getting current time [duplicate]
I am searching code in java for fetching or synchronizing my local PC system time into my application.
14 Answers
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How set the android:gravity to TextView from Java side in Android
...e android:gravity="bottom|center_horizontal" in xml on a textview to get my desired results, but I need to do this programmatically. My textview is inside a tablerow if that matters in a relativelayout .
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