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How to check if field is null or empty in MySQL?
....entdt>=''',FROMDATE ,''' AND t.entdt<=''',TODATE ,''' ',VTYPE,'
ORDER BY CAST(ENTDT AS DATE)) AS ta
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What does -1 mean in numpy reshape?
...
numpy.reshape(a,newshape,order{})
check the below link for more info.
https://docs.scipy.org/doc/numpy/reference/generated/numpy.reshape.html
for the below example you mentioned the output explains the resultant vector to be a single row.(-1) indica...
Django South - table already exists
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Perform these steps in order may help you:
1) python manage.py schemamigration apps.appname --initial
Above step creates migration folder as default.
2) python manage.py migrate apps.appname --fake
generates a fake migration.
3) python manage....
Function Pointers in Java
...t methodCaller(Object theObject, String methodName) {
return theObject.getClass().getMethod(methodName).invoke(theObject);
// Catch the exceptions
}
And then use it as in:
String theDescription = methodCaller(object1, "toString");
Class theClass = methodCaller(object2, "getClass");
Of cou...
How to check if remote branch exists on a given remote repository?
...prone than checking $? (which can be changed by logging statements, traps, etc).
– Charles Duffy
May 8 '14 at 3:46
Why...
Subversion stuck due to “previous operation has not finished”?
... such a mess with Git (so far). I ended up cleaning / reverting / cleaning etc. on any directory I could, if Svn would let me.
– aliopi
Jul 13 '17 at 7:16
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Default parameters with C++ constructors [closed]
...ly named. Much more readable :)
Also, you no longer have to remember the order of the arguments to the constructor.
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How to select between brackets (or quotes or …) in Vim?
...ed, this works for visual mode selection as well - just use vi), vi}, vi', etc.
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Turn off Visual Studio Attach security warning when debugging IIS
..."=dword:00000001
Just change the version to 8.0 for 2005, 10.0 for 2010, etc.
NOTE: regedit on Windows 7 seems to want .reg files saved as UTF16-LE, so if you save it to a .reg file, be aware you need to do that.
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How to remove line breaks from a file in Java?
...nd Linux (ie no OS specific problems of carriage return/line feed/new line etc.)?
16 Answers
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