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Are lists thread-safe?
...en 's point is that L[0] += x will perform a __getitem__ on L and then a __setitem__ on L -- if L supports __iadd__ it will do things a bit differently at the object interface, but there are still two separate operations on L at the python interpreter level (you will see them in the compiled bytecod...
Git rebase fails, 'Your local changes to the following files would be overwritten by merge'. No loca
...ant to be safe, and then you probably don't need the core.trustctime false setting.
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Android gradle: buildtoolsVersion vs compileSdkVersion
... Just to be clear, in AS 3.2 the path to the above is "File=>Settings=>Appearance & Behavor ...."
– JL_SO
Oct 28 '18 at 15:03
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Escape a dollar sign in string interpolation
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String to object in JS
...);
alert(myobj.hello); // 'world'
2)
var myobj = JSON.parse(JSON.stringify({
hello: "world"
});
alert(myobj.hello); // 'world'
3)
Passing a function to JSON
var obj = {
hello: "World",
sayHello: (function() {
console.log("I say Hello!");
}).toString()
};
var myobj = JSO...
Why there is no ForEach extension method on IEnumerable?
Inspired by another question asking about the missing Zip function:
20 Answers
20
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What's the meaning of * (asterisk) in XAML ColumnDefinition?
...
When you define a column in a WPF grid you can set the width to one of three possible values:
A fixed width,
Auto – column will become as wide as necessary to fit its children, or
* (star) take up any available remaining space
The * is prefixed by a number (default ...
sqlite database default time value 'now'
... of Datatypes In SQLite Version 3
SQLite does not have a storage class set aside for storing dates
and/or times. Instead, the built-in Date And Time Functions of SQLite
are capable of storing dates and times as TEXT, REAL, or INTEGER
values
CREATE TABLE test (
id INTEGER PRIMARY KEY ...
Cleanest way to build an SQL string in Java
...statements:
PreparedStatement stm = c.prepareStatement("UPDATE user_table SET name=? WHERE id=?");
stm.setString(1, "the name");
stm.setInt(2, 345);
stm.executeUpdate();
The other thing that can be done is to keep all queries in properties file. For example
in a queries.properties file can place ...
Size of character ('a') in C/C++
...e value equal to the
representation of c-char in the execution character set. If c-char is
not representable as a single byte in the execution character set, the
literal has type int and implementation-defined value.
So, in C++ character literal is a type of char. so, size of character liter...