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Delete commits from a branch in Git
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answered Aug 27 '09 at 3:44
gahooagahooa
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What do querySelectorAll and getElementsBy* methods return?
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PDO support for multiple queries (PDO_MYSQL, PDO_MYSQLND)
...s of statements emulation
$db->setAttribute(PDO::ATTR_EMULATE_PREPARES, 0);
$sql = "
DELETE FROM car;
INSERT INTO car(name, type) VALUES ('car1', 'coupe');
INSERT INTO car(name, type) VALUES ('car2', 'coupe');
";
$db->exec($sql);
Using statements
$db = new PDO("mysql:host=localhost;dbname...
Return multiple columns from pandas apply()
...data.
def sizes(s):
s['size_kb'] = locale.format("%.1f", s['size'] / 1024.0, grouping=True) + ' KB'
s['size_mb'] = locale.format("%.1f", s['size'] / 1024.0 ** 2, grouping=True) + ' MB'
s['size_gb'] = locale.format("%.1f", s['size'] / 1024.0 ** 3, grouping=True) + ' GB'
return s
df_...
SQL Server: Database stuck in “Restoring” state
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edited Nov 15 '18 at 12:09
Martijn Pieters♦
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Is 'switch' faster than 'if'?
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movl %edi, %eax
cmpl $19, %edi
jbe .LBB0_1
retq
.LBB0_1:
jmpq *.LJTI0_0(,%rax,8)
jmp void call<0u>() # TAILCALL
jmp void call<1u>() # TAILCALL
jmp void call<2u>() # TA...
App Inventor 2 扩展开发实战:从Java小白到发布第一个.aix自定义插件 - Ap...
... addVectors(float[] v1, float[] v2) {
return new float[]{v1[0] + v2[0], v1[1] + v2[1]};
}
@SimpleFunction(description = "返回两个向量的点积")
public float dotProduct(float[] v1, float[] v2) {
return v1[0] * v2[...
SQL: capitalize first letter only [duplicate]
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190
Are you asking for renaming column itself or capitalise the data inside column? If its data you'...
MySQL DROP all tables, ignoring foreign keys
...der for the drop statements to work if you need:
SET FOREIGN_KEY_CHECKS = 0
This will disable referential integrity checks - so when you are done performing the drops you need, you will want to reset key checking with
SET FOREIGN_KEY_CHECKS = 1
The final execution should look like:
SET FO...
What is the difference between syntax and semantics in programming languages?
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