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error: ‘NULL’ was not declared in this scope
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@ManofOneWay No, it exists in Java, it's just spelled with all lowercase instead of capitals.
– Ataraxia
Mar 17 '13 at 4:08
8
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Flask-SQLAlchemy import/context issue
...ne file. Simply import the db variable into each of your model modules.
Example
# apps.shared.models
from flask_sqlalchemy import SQLAlchemy
db = SQLAlchemy()
# apps.members.models
from apps.shared.models import db
class Member(db.Model):
# TODO: Implement this.
pass
# apps.repo...
Runtime vs. Compile time
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The difference between compile time and run time is an example of what pointy-headed theorists call the phase distinction. It is one of the hardest concepts to learn, especially for people without much background in programming languages. To approach this problem, I find it help...
How do I break out of a loop in Scala?
...eater than 1000. You try
var sum = 0
for (i <- 0 to 1000) sum += i
except you want to stop when (sum > 1000).
What to do? There are several options.
(1a) Use some construct that includes a conditional that you test.
var sum = 0
(0 to 1000).iterator.takeWhile(_ => sum < 1000).fore...
HTTP URL Address Encoding in Java
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@Carlos Thx for the edit. Now it does escape but not correct escaping. It should be adding a % to the HEX value of char for Path params meaning é char should be converted to %e9
– fmucar
Jan 19 '...
Why can't overriding methods throw exceptions broader than the overridden method?
I was going through SCJP 6 book by Kathe sierra and came across this explanations of throwing exceptions in overridden method. I quite didn't get it. Can any one explain it to me ?
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Is Dvorak typing appropriate for programming? [closed]
... since users of the dvorak keyboard layout have proven themselves to be flexible enough to adopt another layout, they can probably just as easily manage adapting to a personally tuned one - and to great effect? (just playing devil's advocate here)
– sehe
Nov 9 ...
How to find the files that are created in the last hour in unix
How to find the files that are created in the last hour in unix
6 Answers
6
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Can git operate in “silent mode”?
Is it possible to execute any git command in "silent" mode? For instance, can i say " git push origin " and see nothing displayed on the screen?
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Reverting a single file to a previous version in git [duplicate]
...ation
git commit
(The checkout command first reads the file into the index, then copies it into the work tree, so there's no need to use git add to add it to the index in preparation for committing.)
If your file may not have a simple history (e.g. renames and copies), see VonC's excellent commen...