大约有 17,000 项符合查询结果（耗时：0.0317秒） [XML]
Failed to load the JNI shared Library (JDK)
...he equinox launcher used (e.g. org.eclipse.equinox.launcher.win32.win32.x86_64_1.1.100.v20110502)
– Steve Oh
Jun 6 '13 at 9:16
...
multiprocessing.Pool: When to use apply, apply_async or map?
I have not seen clear examples with use-cases for Pool.apply , Pool.apply_async and Pool.map . I am mainly using Pool.map ; what are the advantages of others?
...
Django: multiple models in one template using forms [closed]
...and the page and now you need to handle the POST.
if request.POST():
a_valid = formA.is_valid()
b_valid = formB.is_valid()
c_valid = formC.is_valid()
# we do this since 'and' short circuits and we want to check to whole page for form errors
if a_valid and b_valid and c_valid:
...
How can I multiply and divide using only bit shifting and adding?
... to decompose one of the numbers by powers of two, like so:
21 * 5 = 10101_2 * 101_2 (Initial step)
= 10101_2 * (1 * 2^2 + 0 * 2^1 + 1 * 2^0)
= 10101_2 * 2^2 + 10101_2 * 2^0
= 10101_2 << 2 + 10101_2 << 0 (Decomposed)
= 10101_2 * 4 + 10101_2 *...
What's “wrong” with C++ wchar_t and wstrings? What are some alternatives to wide characters?
...ity(particularly ##c++ on freenode) resent the use of wstrings and wchar_t , and their use in the windows api. What is exactly "wrong" with wchar_t and wstring , and if I want to support internationalization, what are some alternatives to wide characters?
...
UIButton Image + Text IOS
...
I think you are looking for this solution for your problem:
UIButton *_button = [UIButton buttonWithType:UIButtonTypeCustom];
[_button setFrame:CGRectMake(0.f, 0.f, 128.f, 128.f)]; // SET the values for your wishes
[_button setCenter:CGPointMake(128.f, 128.f)]; // SET the values for your wishes...
What is in your Mathematica tool bag? [closed]
...and Sow which mimics/extends the behavior of GatherBy:
SelectEquivalents[x_List,f_:Identity, g_:Identity, h_:(#2&)]:=
Reap[Sow[g[#],{f[#]}]&/@x, _, h][[2]];
This allows me to group lists by any criteria and transform them in the process. The way it works is that a criteria function (f...
C# pattern to prevent an event handler hooked twice [duplicate]
...ution and the best one (considering performance) is:
private EventHandler _foo;
public event EventHandler Foo {
add {
_foo -= value;
_foo += value;
}
remove {
_foo -= value;
}
}
No Linq using required. No need to check for null before cancelling a subscrip...
What are 'closures' in .NET?
...thod and the variable j
[CompilerGenerated]
private sealed class <>c__DisplayClass2
{
public <>c__DisplayClass2();
public void <fillFunc>b__0()
{
Console.Write("{0} ", this.j);
}
public int j;
}
for the function:
static void fillFunc(int count) {
...
Loop through files in a directory using PowerShell
...eived Files" -Filter *.log |
Foreach-Object {
$content = Get-Content $_.FullName
#filter and save content to the original file
$content | Where-Object {$_ -match 'step[49]'} | Set-Content $_.FullName
#filter and save content to a new file
$content | Where-Object {$_ -match 's...