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Flask-SQLAlchemy how to delete all rows in a single table
... a similar kind of a situation. Say there are 4 records in the table as of now, from id 1 to 4. When I do a db.session.query(Table_name).delete() db.session.commit() and then if I do a db.session.add() again to add new records, the next record gets an id of 5. Since my table is now empty, I want my ...
Proper way to renew distribution certificate for iOS
...l of my provisioning files. How do I properly renew it? Should I revoke it now and request a new one? If I do that than will all my live apps be taken down?
...
ADB Android Device Unauthorized
...k if you are agree to connect the computer id.
You need to confirm it.
5. Now Check the device
It is now authorized!
adb devices
<ANDROID_SDK_HOME>\platform-tools>adb devices
List of devices attached
4df798d76f98cf6d device
...
What killed my process and why?
...y. So in theory, your CPU has access to total of 1.5GB of virtual memory.
Now, for some time everything is running fine within 1.5GB of total memory. But all of sudden (or gradually) your system has started consuming more and more memory and it reached at a point around 95% of total memory used.
N...
How to communicate between iframe and the parent site?
...n fact, MDN says - "Always provide a specific targetOrigin, not *, if you know where the other window's document should be located. Failing to provide a specific target discloses the data you send to any interested malicious site."
– rodiwa
Oct 29 '15 at 8:14
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What is move semantics?
...f the new features made sense to me, and I am actually excited about C++0x now, with the exception of one. I still don't get move semantics ... What is it exactly?
...
In C++, is it still bad practice to return a vector from a function?
...ts—such as vectors/arrays—in many programming languages. Is this style now acceptable in C++0x if the class has a move constructor, or do C++ programmers consider it weird/ugly/abomination?
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Android Get Current timestamp?
... * @return current time as a string.
*/
public static String getNow() {
Time now = new Time();
now.setToNow();
String sTime = now.format("%Y_%m_%d %T");
return sTime;
}
/**
* Get current time in human-readable form without spaces and special ch...
How can I expand and collapse a using javascript?
...d, but I still am not having it work. I've messed with it for a good hour now, I'll sleep on it. Maybe tomorrow it will hit me.
– Ryan Mortensen
Jul 5 '13 at 5:38
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Difference between modes a, a+, w, w+, and r+ in built-in open function?
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I noticed that every now and then I need to Google fopen all over again, just to build a mental image of what the primary differences between the modes are. So, I thought a diagram will be faster to read next time. Maybe someone else will find th...