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What is the difference between & and && in Java?
... be false
(x != 0) & (1/x > 1) <-- this means evaluate (x != 0) then evaluate (1/x > 1) then do the &. the problem is that for x=0 this will throw an exception.
(x != 0) && (1/x > 1) <-- this means evaluate (x != 0) and only if this is true then evaluate (1/x > 1)...
Android: How to create a Dialog without a title?
...takes a custom layot file, inflates it, gives it some basic text and icon, then creates it. You'd show it then with alertDialog.show().
AlertDialog.Builder builder;
AlertDialog alertDialog;
Context mContext = getApplicationContext();
LayoutInflater inflater = (LayoutInflater)
mContext.getS...
Base constructor in C# - Which gets called first? [duplicate]
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What if the base constructor has arguments, then would it still be automatically called?
– variable
Dec 20 '19 at 9:16
add a comment
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Convert a Git folder to a submodule retrospectively?
...one component (a library, perhaps). If you've had that idea from early on, then there's a fair chance that most of that code is in its own folder.
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Is it better in C++ to pass by value or pass by constant reference?
...e following (simplified) trade-off:
We can pass the object by reference, then copy internally.
We can pass the object by value.
“Pass by value” still causes the object to be copied, unless the object is an rvalue. In the case of an rvalue, the object can be moved instead, so that the second ...
Is duplicated code more tolerable in unit tests?
...ity. If I leave duplicated code in unit tests, they're more readable, but then if I change the SUT , I'll have to track down and change each copy of the duplicated code.
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The 'json' native gem requires installed build tools
...n another Windows 2003 machine we have in our office, installed devkit and then tried "gem install json". I see the same problem. ("ERROR: Error installing json: The 'json' native gem requires installed build tools........."). Any other suggestions? Do you need more info from me?
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How to configure git bash command line completion?
...h_profile:
if [ -f /usr/local/share/bash-completion/bash_completion ]; then
. /usr/local/share/bash-completion/bash_completion
fi
For older versions of bash: brew install bash-completion
add to .bash_profile:
[ -f /usr/local/etc/bash_completion ] && . /usr/local/etc/bash_comple...
Sublime Text 2 multiple line edit
...he lines and use:
Windows: Ctrl+Shift+L
Mac: Cmd ⌘+Shift+L
You can then move the cursor to your heart's content and edit all lines at once.
It's also called "Split into Lines" in the "Selection" menu.
share
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How to change identity column values programmatically?
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You need to
set identity_insert YourTable ON
Then delete your row and reinsert it with different identity.
Once you have done the insert don't forget to turn identity_insert off
set identity_insert YourTable OFF
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