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Is it possible to GROUP BY multiple columns using MySQL?
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One more testing. sqlfiddle.com/#!9/5c8763/2 Conclusion. At first mysql sorts by the first defined column (with GROUP BY). And if in the first defined column there are equal results, then only within the equal results sorts by the sec...
Call a Javascript function every 5 seconds continuously [duplicate]
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@Anantha: FYI, The code you had before your latest edit (after my edit) (setInterval(methodName,5000)), did not use eval. eval is only used in setInterval/setTimeout if the first parameter is passed as a string.
– Matt
Aug 25 '11 at...
How do I ignore files in a directory in Git?
...mmands is executed now, the directory will be (unexpectedly) lost.
mkdir test
cd test
git init
echo "/localdata/*" >.gitignore
git add .gitignore
git commit -m "Add .gitignore."
mkdir localdata
echo "Important data" >localdata/important.dat
touch untracked-file
If you do a git status --ign...
How To Change DataType of a DataColumn in a DataTable?
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I've tested this on Oracle.MangedDataAccess.Client.OracleDataAdapter with a stored procedure. It's working. Thanks.
– 3per
Aug 30 '18 at 1:42
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Can I run multiple programs in a Docker container?
...ion is to:
Put all of your commands in a wrapper script, complete with testing
and debugging information. Run the wrapper script as your CMD. This is
a very naive example. First, the wrapper script:
#!/bin/bash
# Start the first process
./my_first_process -D
status=$?
if [ $status -ne 0 ]...
Spring get current ApplicationContext
...der implements ApplicationContextAware{
...
}
Get the context like this
TestBean tb = ApplicationContextProvider.getApplicationContext().getBean("testBean", TestBean.class);
Cheers!!
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How can I generate random alphanumeric strings?
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@Alex: I've run a few quick tests and it seems to scale pretty much linearly when generating longer strings (so long as there's actually enough memory available). Having said that, Dan Rigby's answer was almost twice as fast as this one in every test.
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Python set to list
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Your code does work (tested with cpython 2.4, 2.5, 2.6, 2.7, 3.1 and 3.2):
>>> a = set(["Blah", "Hello"])
>>> a = list(a) # You probably wrote a = list(a()) here or list = set() above
>>> a
['Blah', 'Hello']
Check th...
Python memory leaks [closed]
...o available for prior versions of Python as a third-party library (haven't tested it though).
This module is able to output the precise files and lines that allocated the most memory. IMHO, this information is infinitly more valuable than the number of allocated instances for each type (which ends ...
VBA读写UTF8文本文件，VBA生成UTF-8无BOM格式的文件 - 更多技术 - 清泛网 -...
...BA生成UTF-8无BOM格式的文件vba_utf8_bomVBA读写UTF8文本文件Sub Test() Dim sht As Worksheet, scr, content As String, i, arr_acsp_xz(1 To 8), arr_acsp_xz_data(1 To 8), arr_wemzs(1 To 1 VBA读写UTF8文本文件
Sub Test()
Dim sht As Worksheet, scr, content As String, i, arr_ac...