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How to make clang compile to llvm IR
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Given some C/C++ file foo.c:
> clang -S -emit-llvm foo.c
Produces foo.ll which is an LLVM IR file.
The -emit-llvm option can also be passed to the compiler front-end directly, and not the driver by means of -cc1:
> clang -cc1 foo.c -emit-llvm
...
How to disable / enable dialog negative positive buttons?
...n = d.getButton(AlertDialog.BUTTON_POSITIVE);
if(text.getText().length() == 0) {
okButton.setEnabled(false);
} else {
okButton.setEnabled(true);
}
}
@Override
public void afterTextChanged(Editable arg0) {
handleText();
}
@Ov...
Android: failed to convert @drawable/picture into a drawable
...e this error: Error:Execution failed for task ':app:mergeDebugResources'. > Error: Invalid file name: must contain only lowercase letters and digits ([a-z0-9_.])
– LightMan
Apr 26 '15 at 16:24
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Writing string to a file on a new line every time
...text to write\n")
or, depending on your Python version (2 or 3):
print >>f, "text to write" # Python 2.x
print("text to write", file=f) # Python 3.x
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What is the main difference between PATCH and PUT request?
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I spent couple of hours with google and found the answer here
PUT =>
If user can update all or just a portion of the record, use PUT (user controls what gets updated)
PUT /users/123/email
new.email@example.org
PATCH =>
If user can only update a partial record, say just an emai...
MySQL show status - active or total connections?
...iable:
Threads_connected
The number of currently open connections.
mysql> show status where `variable_name` = 'Threads_connected';
+-------------------+-------+
| Variable_name | Value |
+-------------------+-------+
| Threads_connected | 4 |
+-------------------+-------+
1 row in set (...
Should flux stores, or actions (or both) touch external services?
...llback should create an action. So the data flow is then always: action -> dispatcher -> stores -> views.
– fisherwebdev
Sep 3 '14 at 18:27
1
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What does the question mark and the colon (?: ternary operator) mean in objective-c?
...y of the operators we usually use when programming (*,+,-,^, |,||, &, >>, etc).
– tomacco
Feb 5 '18 at 18:07
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ios simulator: how to close an app
...t with the keyboard shortcut shown under the simulator menu bar (Hardware-> Home).
The shortcut is ⌘+⇧+H, but you need to hit H twice in a row for it to simulate the double press that shows the apps.
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Git branch strategy for small dev team [closed]
...-(v1.0)--------------------------------(v1.1)-----------------------------> master
\ \
---(v1.0.1)---(v1.0.2)---> 1.0 ---(v1.1.1)---(v1.1.2)---> 1.1
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