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Is it really not possible to declare a 0-length array in VBA? If I try this: Dim lStringArr(-1) As String I get a compile error saying range has no values. If I try to trick the compiler and redim at runtime like this: ReDim lStringArr(-1) I get a subscript out of range error. I've varied the above around a bit but with no luck e.g. Dim lStringArr(0 To -1) As String Use Case I want to convert a variant array to a string array. The variant array may be empty as it comes from the Keys property of a dictionary. The keys property gives back an array of variants. I want an array of strings to use

In C, what is the difference between a NULL pointer and a pointer that points to 0? The ISO/IEC 9899:TC2 states in 6.3.2.3 Pointers 3 An integer constant expression with the value 0, or such an expression cast to type void *, is called a null pointer constant.55) If a null pointer constant is converted to a pointer type, the resulting pointer, called a null pointer, is guaranteed to compare unequal to a pointer to any object or function The macro NULL expands to an implementation-defined null pointer constant. Any two null pointers shall compare equal. Yes there is. The standard dictates that

This question already has answers here : remove zero lines 2-D numpy array (3 answers) Closed 3 years ago . I'm trying to write a function to delete all rows in which have a zero value in. This is not from my code, but an example of the idea I am using: import numpy as np a=np.array(([7,1,2,8],[4,0,3,2],[5,8,3,6],[4,3,2,0])) b=[] for i in range(len(a)): for j in range (len(a[i])): if a[i][j]==0: b.append(i) print 'b=', b for zero_row in b: x=np.delete(a,zero_row, 0) print 'a=',a and this is my output: b= [1, 3] a= [[7 1 2 8] [4 0 3 2] [5 8 3 6] [4 3 2 0]] How do I get rid of the rows with the

Hi I'm using f2py to wrap the lapack routine dgesvd, by compiling the dgesvd.f file and linking it against llapack, as explained here according to the docstring, the dgesvd module has the signature: dgesvd - Function signature: dgesvd(jobu,jobvt,m,n,a,s,u,vt,work,lwork,info,[lda,ldu,ldvt]) Required arguments: jobu : input string(len=1) jobvt : input string(len=1) m : input int n : input int a : input rank-2 array('d') with bounds (lda,*) s : input rank-1 array('d') with bounds (*) u : input rank-2 array('d') with bounds (ldu,*) vt : input rank-2 array('d') with bounds (ldvt,*) work : input

I have this file error.log [00:00:00.284],501, [00:00:00.417],5,5294100071980 [00:00:02.463],501, [00:00:05.169],501, [00:00:05.529],501, [00:00:05.730],501, so, if the field $3 its empty i want to print "No value" Im trying this code awk '{{FS=","} if($3=="") {print $1,$2,"No value"}}' But it prints >[00:00:00.284] 501 No value >[00:00:02.463] 501 No value >[00:00:05.169] 501 No value >[00:00:05.529] 501 No value >[00:00:05.730] 501 No value >[00:00:07.193] 501 No value >[00:00:09.899] 501 No value >[00:00:31.312] 501 No value awk -F ',' -v OFS=',' '$1 { if ($3=="") $3="No value"; print}' in

I need to check all element on a ListView to set a label only to a one of those. I can't edit the database or the adapter, I just want to scroll the ListView to perform a check and set a string on a TextView. @Override protected void onResume(){ super.onResume(); ... cursor = getCursor(); startManagingCursor(cursor); adapter = new SimpleCursorAdapter(this,R.layout.profile_item_layout,cursor,from,to); lst_profiles.setAdapter(adapter); SharedPreferences customSharedPreference = PreferenceManager.getDefaultSharedPreferences(ProfilerActivity.this.getApplicationContext()); long current =

Can an MD5-hash begin with a zero? What about SHA-1? Yes: $ echo -n "363" | md5sum 00411460f7c92d2124a67ea0f4cb5f85 - $ echo -n "351" | sha1sum 0026476a20bfbd08714155bb66f0b4feb2d25c1c Found by running the following in bash: for i in {1..1000} ; do echo $(echo -n $i | md5sum) $i ; done | sort | head I found a MD5 hash that beginns with a zero byte! 2 character String Unicode #7358 #34823 $returnValue = md5('Ჾ蠇'); result: 00000000 5e0a51c8 313ffb43 8a3a2861 Of course. Or two zeros. Or more. In general, the probability of a "random" input hashing to a result with k leading zero nybbles is about